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Keyword: solarflares

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  • Sun Unleashes 2 Major Solar Flares Back-to-Back (Video)

    06/10/2014 9:52:45 AM PDT · by NormsRevenge · 42 replies
    Yahoo ^ | 6/10/14 | Miriam Kramer - Space.com
    The sun unleashed two major solar flares early Tuesday (June 10) in amazing back-to-back storms from our nearest star. The first flare, a powerful X2.2-class solar flare, hit its maximum at about 7:42 a.m. EDT (1142 GMT). The second powerful X1.5-class flare, followed quickly behind, blasting out from the sun at 8:36 a.m. EDT (1236 GMT). Both flares could cause radio communication blackouts on Earth for about an hour, according to an alert from the U.S. Space Weather Prediction Center in Boulder, Colorado. NASA's sun-observing Solar Dynamics Observatory captured a video of the flares from space. "Solar flares are powerful...
  • Solar Flares of 2012/2013 and cold winters

    03/31/2014 9:22:24 PM PDT · by topher · 8 replies
    March 31, 2014 | vanity
    There are various stories about how powerful solar flares were, starting in 2012. Maybe they had an impact on the North Pole or South Pole. Maybe such an effect impacting how cold the winter of 2013/2014 has been. The previous winter -- from December 2012 to March 2013, was initially mild. Then the weather in the Spring was a little bit more chilly. Is it possible that Solar Flares affect the earth's poles. And in affecting the earth's poles, maybe they effect the weather. Anything is possible, and it is up to science to investigate such links. Maybe it would...
  • Newt Gingrich's Plan to Stave Off the Apocalypse

    03/28/2014 11:49:45 AM PDT · by Svartalfiar · 107 replies
    National Journal ^ | March 28, 2014 | Alex Brown
    Within a year, nine out of 10 Americans could be dead. And whatever causes the national apocalypse—be it North Korean malice or the whims of the sun—the downfall will ultimately be our own fault. That's the fear of Newt Gingrich and other members of a high-profile coalition who are convinced that our fragile electrical grid could be wiped out at any moment. Their concern? Electromagnetic pulses, the short bursts of energy—caused by anything from a nuclear blast to a solar flare—that can wreak havoc on electrical systems on a massive scale. And the coalition believes it's coming soon.
  • Yesterday’s Mammoth Solar Flare Is The Biggest Of 2014 So Far

    02/25/2014 1:48:46 PM PST · by BenLurkin · 6 replies
    universetoday.com ^ | February 25, 2014 | Elizabeth Howell on
    The so-called X-class flare erupted a few hours ago (at 7:25 p.m. EST Feb. 24, or 12:25 a.m. UTC Feb. 25) and was captured by several spacecraft. If you have a pictures of the sun yourself to share, feel free to post them in the Universe Today Flickr pool. NASA’s Solar Dynamics Observatory saw the flare growing in at least six different wavelengths of light, which are visible in the image above. This is classified this as an X4.9-class flare, which shows that it is pretty strong. X-flares are the most powerful kind that the sun emits, and each X...
  • STORM WARNING: NOAA forecasters estimate a 90% chance of geomagnetic storms on Jan. 9th

    01/09/2014 7:45:34 AM PST · by tired&retired · 87 replies
    spaceweather.com/ ^ | January 9, 2014 | Spaceweather.com
    STORM WARNING: NOAA forecasters estimate a 90% chance of geomagnetic storms on Jan. 9th when a CME is expected to hit Earth's magnetic field. The speed of the solar wind around Earth could spike to 700 km/s (1.6 million mph) shortly after the impact, sharply compressing Earth's magnetosphere. High-latitude sky watchers should be alert for auroras. http://spaceweather.com/ HUGE SUNSPOT, CHANCE OF FLARES: The source of the incoming CME is AR1944, one of the largest sunspots of the current solar cycle. The active region sprawls across more than 200,000 km of solar terrain and contains dozens of dark cores. The largest...
  • Recent Sun Activity Spawns Stunning Aurorae

    11/01/2013 2:38:57 PM PDT · by BenLurkin · 7 replies
    universetoday.com ^ | November 1, 2013 | Nancy Atkinson on
    Over the past several days the Sun has unleashed more than half a dozen major flares including four X-class events. The resulting aurora in some parts of the world have been beautiful. Here’s a collection of recent images taken by Jason Arhns in Alaska. It seems the aurora is just blanketing not only the sky, but the landscape as well! See more below, as well as a video showing 23 of the 26 M- and X-class flares on the sun between Oct. 23 and Oct. 28, 2013, as captured by NASA’s Solar Dynamics Observatory. It also shows the coronal mass...
  • Massive solar flare narrowly misses Earth, EMP disaster barely avoided

    07/31/2013 12:02:01 PM PDT · by Kartographer · 170 replies
    Washington Examiner ^ | 7/31/13 | PAUL BEDARD
    Two EMP experts told Secrets that the EMP flashed through earth's typical orbit around the sun about two weeks before the planet got there. "The world escaped an EMP catastrophe," said Henry Cooper, who lead strategic arms negotiations with the Soviet Union under President Reagan, and who now heads High Frontier, a group pushing for missile defense. "There had been a near-miss about two weeks ago, a Carrington-class coronal mass ejection crossed the orbit of the Earth and basically just missed us," said Peter Vincent Pry, who served on the Congressional EMP Threat Commission from 2001-2008. He was referring to...
  • Carrington Class: “The World Escaped an EMP Catastrophe”

    08/01/2013 2:57:40 PM PDT · by SatinDoll · 16 replies
    SHTF Plan ^ | August 1, 2013 | Marc Slaver
    According to researchers at EMPact America, an organization dedicated to studying and preparing for the possibility of large-scale electro magnetic pulse threats that can destroy our modern day electrical infrastructure, the earth came dangerously close to a serious destabilization event. A couple of weeks ago the sun emitted a massive CME (Coronal Mass Ejection) that, had it been earth-directed, would likely have wiped out critical portions of the world’s power grid and sent developed nations back to the stone age within a matter of seconds. ‘The world escaped an EMP catastrophe,’ Henry Cooper, who now heads High Frontier, a group...
  • Monster radiation burst from Sun

    05/14/2013 9:07:55 AM PDT · by NormsRevenge · 26 replies
    BBC News ^ | 5/14/13 | BBC
    The Sun has unleashed its most powerful eruption of 2013 so far. The solar flare - a sudden release of radiation - peaked at 1705 BST on Monday, and was associated with a huge eruption of matter. When these eruptions reach Earth, they can interfere with electronic systems in satellites and those on the ground. Nasa said this solar explosion - known as a coronal mass ejection (CME) - was not directed at Earth, but it could pass several US spacecraft. The event on Monday was classified as an "X-class" flare - the most intense type - with a designation...
  • Earth-directed coronal mass ejection from the sun

    03/15/2013 2:34:49 PM PDT · by Red Badger · 14 replies
    Phys.Org ^ | 03-15-2013 | Karen C. Fox & Provided by NASA's Goddard Space Flight Center
    On March 15, 2013, at 2:54 a.m. EDT, the sun erupted with an Earth-directed coronal mass ejection (CME), a solar phenomenon that can send billions of tons of solar particles into space and can reach Earth one to three days later and affect electronic systems in satellites and on the ground. Experimental NASA research models, based on observations from the Solar Terrestrial Relations Observatory (STEREO) and ESA/NASA's Solar and Heliospheric Observatory, show that the CME left the sun at speeds of around 900 miles per second, which is a fairly fast speed for CMEs. Historically, CMEs at this speed have...
  • CME Goes To Collateral DefCon 1: Makes Maintenance Margin Equal To Initial For... Everything!?

    11/05/2011 6:47:08 AM PDT · by Squidpup · 17 replies
    ZeroHedge ^ | 11/04/2011 | Tyler Durden
    The most important news announcement of the day was not anything to came out of Cannes (as nothing did), nor from Greece (the merry go round farce there continues unabated). No, it was a brief paragraph distributed by the CME long after everyone had gone home, and was already on their 3rd drink. It is critical, because not only is this announcement a direct consequence of what happened with MF Global several days ago, but because also it confirms one of our biggest concerns: systemic liquidity is non-existanet. We confirmed interbank liquidity in Europe was at an all time low...
  • The Sun has a maximum and no one notices

    08/03/2013 10:07:08 AM PDT · by Hojczyk · 40 replies
    Behind the Black ^ | July 16 ,2013 | Robert Zimmerman
    Last week, these same scientists also held a press teleconference during a solar science conference to talk about the maximum (and do some damage control in my opinion). Of the two press stories I have seen, one focused on the claim by these scientists that we are not headed for a Grand Minimum, a period when the solar cycle disappears and the Sun no longer produces sunspots for decades at a time. This story isn’t very informative or useful. Its conclusions are based purely on the speculations of these particular scientists, whose ability to predict anything has been very poor,...
  • This solar eruption video will straight up melt your face it's so awesome

    07/19/2013 6:21:23 PM PDT · by Windflier · 40 replies
    io9.com ^ | 7 June 2012 | Robert T. Gonzalez
    Damn. We've seen us some solar eruption videos in our day, but this here's a sight to behold. We've got some incredible photo and video for you here, so pay attention — you don't want to miss any of this. Up top you'll find some downright gorgeous footage of a coronal mass ejection (a roiling whip of plasma, hurled from an active region on the Sun). It was shot by NASA's Solar Dynamics Observatory during an intense solar storm on August 31. Down below we've featured a series of still images from the explosion, and first up is one that...
  • SPACE WEATHER FACT CHECK:

    08/02/2013 8:39:52 PM PDT · by BenLurkin · 8 replies
    spaceweather.com ^ | Saturday, Aug. 3, 2013
    SPACE WEATHER FACT CHECK: Many readers are asking about a report in the Washington Examiner, which states that a Carrington-class solar storm narrowly missed Earth two weeks ago. There was no Carrington-class solar storm two weeks ago. On the contrary, solar activity was low throughout the month of July. The report is erroneous. The possibility of such a storm is, however, worth thinking about: A modern Carrington event would cause significant damage to our high-tech society.
  • About that almost ‘Carrington Event’ two weeks ago ( Solar Eruption)....Eronous?

    08/03/2013 9:19:18 AM PDT · by Ernest_at_the_Beach · 21 replies
    Watts Up With That? ^ | August 2, 2013 | by Anthony Watts
    Lots of people talking about this article in the UK daily Mail:A near miss for Earth: Solar flare that could have knocked out power, cars and phones came so close two weeks ago Earth has narrowly missed electromagnetic pulses caused by solar flaresIf they had hit, the pulses could have knocked out electrical equipment over continent-scale regions An electromagnetic pulse that could have knocked electrical equipment over continent-scale regions barely missed Earth two weeks ago, it has been revealed.Source: (h/t Jack Simmons)http://www.dailymail.co.uk/sciencetech/article-2382527/A-near-miss-Earth-Devastating-electromagnetic-pulses-knocked-power-cars-phones-occured-weeks-ago.htmlBut, not so fast…NASA’s Dr. Tony Phillips of Spaceweather.com writes: Many readers are asking about a report in the...
  • Early Americans faced late Pliestocene climate change

    02/26/2006 3:50:38 PM PST · by redpoll · 19 replies · 906+ views
    Eureka Alert! ^ | Feb. 19, 2006 | no author
    Early Americans faced rapid late Pleistocene climate change and chaotic environments The environment encountered when the first people emigrated into the New World was variable and ever-changing, according to a Penn State geologist. "The New World was not a nice quiet place when humans came," says Dr. Russell Graham, associate professor of geology and director of the Earth & Mineral Sciences Museum. Archaeologists agree that by 11,000 years ago, people were spread across North and South America, but evidence is building for an earlier entry into the New World, a date that would put human population of North and South...
  • Mesopotamian Climate Change (8,000 Years Ago)

    02/15/2004 11:18:28 AM PST · by blam · 71 replies · 5,365+ views
    Geo Times ^ | 2-15-2004
    Mesopotamian climate change Geoscientists are increasingly exploring an interesting trend: Climate change has been affecting human society for thousands of years. At the American Geophysical Union annual meeting in December, one archaeologist presented research that suggests that climate change affected the way cultures developed and collapsed in the cradle of civilization — ancient Mesopotamia — more than 8,000 years ago. Archaeologists have found evidence for a mass migration from the more temperate northern Mesopotamia to the arid southern region around 6400 B.C. For the previous 1,000 years, people had been cultivating the arable land in northern Mesopotamia, using natural rainwater...
  • Bush tucker feeds an ancient mystery

    07/13/2012 7:38:52 PM PDT · by SunkenCiv · 22 replies
    HeritageDaily ^ | Tuesday, July 10, 2012 | Contributing Source: UNSW
    As sabre tooth tigers and woolly mammoths were wandering around Europe, unique, giant prehistoric animals were living in Australia -- three metre tall kangaroos and wombat-like creatures, the size of a four-wheel drive, were just some of the curious creatures Down Under. Yet mysteriously, sometime during the last 100,000 years, they disappeared forever. The extinction of these giant animals, known as megafauna, has generated great debate. One group advocates "human blitzkrieg" -- those asserting the first Australians hunted these beasts to extinction. Others, myself included, find there is too little evidence to confidently attribute responsibility to any particular factor. Nonetheless,...
  • SubQuantum Kinetics, wide ranging unifying cosmology theory by Dr. Paul LaViolette

    08/22/2007 12:00:43 PM PDT · by Kevmo · 68 replies · 1,785+ views
    THE STARBURST FOUNDATION ^ | January 2007 | Dr. Paul LaViolette
    Predictions Part I astronomy and climatology http://home.earthlink.net/~gravitics/LaViolette/Predict.html Superwave Theory Predictions and their Subsequent Verification Galactic Core Explosions - prevailing concept (1980): At the time of this prediction, astronomers believed that the cores of galaxies, including our own, become active ("explode") about every 10 to 100 million years and stay active for about a million years. Since our own Galactic core presently appears quiescent, they believed it would likely remain inactive for many tens of millions of years. Although, in 1977, astronomer Jan Oort cited evidence that our Galactic core has been active within the past 10,000 years. Prediction No. 1...
  • Plasma, Solar Outbursts, and the End of the Last Ice Age

    07/15/2011 10:15:16 AM PDT · by SunkenCiv · 75 replies
    The Official Website thereof ^ | prior to July 15, 2011 | Dr. Robert M. Schoch
    15,000 to 11,000 years ago Earth experienced a series of climatic fluctuations... there was a short cold spell, known as the Younger Dryas, before the final warming and... end of the last ice age. Based on Greenland ice core data, the Younger Dryas began... 10,900 B.C., and its ending... circa 9700 B.C. and may have occurred within an incredible three years... I once hypothesized that comets were responsible. A comet hitting the land or a shallow ocean, or exploding above the land's surface, scattering dust and debris into the atmosphere, would cause global cooling... This pattern fits well with the...
  • The Intriguing Problem Of The Younger Dryas—What Does It Mean And What Caused It?

    06/21/2012 10:11:38 AM PDT · by Ernest_at_the_Beach · 45 replies
    watts Up With That? ^ | June 19, 2012 | Guest post by Don J. Easterbrook
    This is a follow up posting to Younger Dryas -The Rest of the Story!Guest post by Don J. Easterbrook Dept. of Geology, Western Washington University.The Younger Dryas was a period of rapid cooling in the late Pleistocene 12,800 to 11,500 calendar years ago. It followed closely on the heels of a dramatically abrupt warming that brought the last Ice Age to a close (17,500 calendar years ago), lasted for about 1,300 years, then ended as abruptly as it started. The cause of these remarkably sudden climate changes has puzzled geologists and climatologists for decades and despite much effort to find...
  • Reindeer Herder Finds Baby Mammoth in Russia Arctic

    08/19/2011 5:44:20 PM PDT · by FrogMom · 78 replies
    Reuters ^ | Aug 19, 2011 | Alissa de Carbonnel
    A reindeer herder in Russia's Arctic has stumbled on the pre-historic remains of a baby woolly mammoth poking out of the permafrost, local officials said on Friday.
  • Terrestrial Evidence of a Nuclear Catastrophe in Paleoindian Times

    07/24/2006 12:03:03 AM PDT · by ForGod'sSake · 276 replies · 7,633+ views
    Mammoth Trumpet ^ | March 2001 | Firestone/Topping
    Terrestrial Evidence of a Nuclear Catastrophe in Paleoindian Times by Richard B. Firestone & William Topping The Paleoindian occupation of North America, theoretically the point of entry of the first people to the Americas, is traditionally assumed to have occurred within a short time span beginning at about 12,000 yr B.P. This is inconsistent with much older South American dates of around 32,000 yr B.P.1 and the similarity of the Paleoindian toolkit to Mousterian traditions that disappeared about 30,000 years ago.2. A pattern of unusually young radiocarbon dates in the Northeast has been noted by Bonnichsen and Will.3,4 Our research...
  • Late Pleostocene Human Population Bottlenecks. . . (Toba)

    12/16/2005 11:33:44 AM PST · by blam · 102 replies · 6,911+ views
    The Bradshaw Foundation ^ | 1998 | Stanley H. Ambrose
    Professor Stanley H. Ambrose Department of Anthropology, University Of Illinois, Urbana, USA Extract from "Journey of Human Evolution" [1998] 34, 623-651 The last glacial period was preceded by 1000 years of the coldest temperatures of the Late Pleistocene, apparently caused by the eruption of the Mount Toba volcano. The six year long volcanic winter and 1000-year-long instant Ice Age that followed Mount Toba's eruption may have decimated Modern Man's entire population. Genetic evidence suggests that Human population size fell to about 10,000 adults between 50 and 100 thousand years ago. The survivors from this global catastrophy would have found refuge...
  • Ice Age coming into Focus!

    06/05/2004 2:32:35 PM PDT · by cureforcancer · 21 replies · 694+ views
    The Neutrino Report ^ | 1995, 2004 | Robert Texas Bailey(Tex)
    “In 1990 they found that the Earth goes through abrupt temperature changes from deep ice samples in Greenland of about 10,000 years ago the Earth’s temperature dropped 19 degrees” (research found by weather channel) taking 5-10 years (weather channel) but from analytical data, I intend to show this could take for the most part one year (Robert T Bailey) and more shocking a large part of the temperature change will happen this year! The End of the World as we known it is coming; an ice Age will change the face of the Earth. We have a crisis here. In...
  • Evidence Aquits Clovis People Of Ancient Killings, Archaeologists Say

    02/25/2003 4:46:54 PM PST · by blam · 98 replies · 1,378+ views
    University Of Washington ^ | 2-25-2003 | Joel Schwartz
    Contact: Joel Schwarz joels@u.washington.edu 206-543-2580 University of Washington Evidence acquits Clovis people of ancient killings, archaeologists say Archaeologists have uncovered another piece of evidence that seems to exonerate some of the earliest humans in North America of charges of exterminating 35 genera of Pleistocene epoch mammals. The Clovis people, who roamed large portions of North America 10,800 to 11,500 years ago and left behind highly distinctive and deadly fluted spear points, have been implicated in the exterminations by some scientists. Now researchers from the University of Washington and Southern Methodist University who examined evidence from all suggested Clovis-age killing sites...
  • The Maunder Minimum and Climate Change: Have Historical Records Aided Current Research?

    04/14/2013 8:27:11 AM PDT · by Ernest_at_the_Beach · 22 replies
    stsci.edu ^ | 1998 | John E. Beckman, and Terence J. Mahoney
    John E. Beckman, and Terence J. Mahoney Instituto de Astrofísica de Canarias, E-38200 La Laguna, Tenerife, Spain  Abstract:We discuss how, in the 1970's, Eddy took clues from the historical researches of Spörer and Maunder in the 19th century to draw attention to the virtual absence of sunspot activity between 1645 and 1715. This ``Maunder Minimum'' is not only of interest to solar physicists in the context of the theory of solar magnetic activity, and to stellar astrophysicists working on the properties of cool stars, but may also be a vital clue to the influence of the variability of the Sun's...
  • 17th Century Solar Oddity Believed Linked To Global Cooling Is Rare Among Nearby Stars

    06/03/2004 7:30:42 PM PDT · by blam · 23 replies · 285+ views
    Science Daily ^ | 6-3-2004 | UC Berkeley
    Source: University Of California - Berkeley Date: 2004-06-03 17th Century Solar Oddity Believed Linked To Global Cooling Is Rare Among Nearby Stars Berkeley - A mysterious 17th century solar funk that some have linked to Europe's Little Ice Age and to global climate change, becomes even more of an enigma as a result of new observations by University of California, Berkeley, astronomers. For 70 years, from 1645 until 1714, early astronomers reported almost no sunspot activity. The number of sunspots - cooler areas on the sun that appear dark against the brighter surroundings - dropped a thousandfold, according to some...
  • Did a Comet Hit Earth 12,000 Years Ago?

    01/02/2009 6:02:32 PM PST · by neverdem · 35 replies · 2,014+ views
    Scientific American ^ | January 2, 2009 | David Biello
    Nanodiamonds found across North America suggest that major climate change could have been cosmically instigatedRoughly 12,900 years ago, massive global cooling kicked in abruptly, along with the end of the line for some 35 different mammal species, including the mammoth, as well as the so-called Clovis culture of prehistoric North Americans. Various theories have been proposed for the die-off, ranging from abrupt climate change to overhunting once humans were let loose on the wilds of North America. But now nanodiamonds found in the sediments from this time period point to an alternative: a massive explosion or explosions by a fragmentary...
  • Ice Cores Unlock Climate Secrets

    06/09/2004 3:27:33 PM PDT · by blam · 76 replies · 487+ views
    BBC ^ | 6-9-2004 | Julianna Kettlewell
    Ice cores unlock climate secrets By Julianna Kettlewell BBC News Online science staff Tiny bubbles of ancient air are locked in the ice Global climate patterns stretching back 740,000 years have been confirmed by a three kilometre long ice core drilled from the Antarctic, Nature reports. Analysis of the ice proves our planet has had eight Ice Ages during that period, punctuated by rather brief warm spells - one of which we enjoy today. If past patterns are followed in the future, we can expect our "mild snap" to last another 15,000 years. The data may also help predict how...
  • North Pole had sub-tropical seas because of global warming

    09/07/2004 8:35:06 PM PDT · by NormsRevenge · 42 replies · 1,256+ views
    AFP on Yahoo ^ | 9/7/04 | AFP - Paris
    PARIS (AFP) - The North Pole once had a balmy, sub-tropical sea because of extreme global warming, according to European scientists who have carried out the world's deepest drilling into ancient sediment on the far northern seabed. Cores retrieved from up to 430 metres (1,397 feet) below the seafloor in waters 1,300 metres (4,550 feet) deep show that, for a brief period which occurred around 55 million years ago, the Arctic Ocean was around 20 C (68 F), compared with today's typical average temperature of minus 1.5 C (29.3 F), they said on Tuesday. "It occurred during a period called...
  • The 'wobble' that wipes out life on Earth every 2.5m years

    10/11/2006 11:43:56 PM PDT · by MadIvan · 87 replies · 3,939+ views
    The Daily Mail ^ | October 12, 2006 | JULIE WHELDON
    If you are the kind of person who worries about the future, this might not make happy reading.Scientists have found that on average mammal species enjoy only 2.5 million years of life before being wiped out because of the Earth's "wobble." They say when the tilt and orbit reach key points it can spark dramatic global cooling - and the last time this happened was 2.6 million years ago. This suggests we are overdue a wave of extinction. However, before you panic, scientists say our planet has changed beyond all recognition in the last 3 million years. The new research...
  • Decipher

    07/25/2003 7:39:05 PM PDT · by ckilmer · 2 replies · 335+ views
    slashdot.org ^ | Friday July 25, @01:00PM | Javed Ikbal
    More Sci-Fi reading for your summer weekend: Javed Ikbal writes "Decipher by Stel Pavlou is a mind-blowing work of science fiction. If you thought Stephenson's Snowcrash did a great job of bringing myth and science together, bite into this. I am still shaking my head over the amount of research that must have gone into this book." Read on for Javed's review. Warning -- spoilers within. What it's about: Tag line: Mankind had 12,000 years to decipher the message. We have one week left ... Let me make something clear. Although this is my first Slashdot review, I do not...
  • Ain’t Misbehavin’ – Turbulence, Solar Flares and Magnetism

    05/22/2013 7:11:22 PM PDT · by BenLurkin · 9 replies
    UniverseToday ^ | May 22, 2013 | by Tammy Plotner on
    What’s more fun than something that misbehaves? When it comes to solar dynamics, we know a lot, but there are many things we don’t yet understand. For example, when a particle filled solar flare lashes out from the Sun, its magnetic field lines can do some pretty unexpected things – like split apart and then rapidly reconnect. According to the flux-freezing theorem, these magnetic lines should simply “flow away in lock-step” with the particles. They should stay intact, but they don’t. It’s not just a simple rule they break… it’s a law of physics.
  • Astronomy Picture of the Day -- Blue Sun Bursting

    05/20/2013 3:40:03 AM PDT · by SunkenCiv · 18 replies
    NASA ^ | May 20, 2013 | (see photo credit)
    Explanation: Our Sun is not a giant blueberry. Our Sun can be made to appear similar to the diminutive fruit, however, by imaging it in a specific color of extreme violet light called CaK that is emitted by the very slight abundance of ionized Calcium in the Sun's atmosphere, and then false color-inverting the image. This solar depiction is actually scientifically illuminating as a level of the Sun's chromosphere appears quite prominent, showing a crackly textured surface, cool sunspots appearing distinctly bright, and surrounding hot active regions appearing distinctly dark. The Sun is currently near the maximum activity level in...
  • Astronomy Picture of the Day -- Four X-class Flares

    05/16/2013 3:40:20 AM PDT · by SunkenCiv · 10 replies
    NASA ^ | May 16, 2013 | (see photo credit)
    Explanation: Swinging around the Sun's eastern limb on Monday, a group of sunspots labeled active region AR1748 has produced the first four X-class solar flares of 2013 in less than 48 hours. In time sequence clockwise from the top left, flashes from the four were captured in extreme ultraviolet images from the Solar Dynamics Observatory. Ranked according to their peak brightness in X-rays, X-class flares are the most powerful class and are frequently accompanied by coronal mass ejections (CMEs), massive clouds of high energy plasma launched into space. But CMEs from the first three flares were not Earth-directed, while one...
  • Solar Activity Surges: Multiple X-Class Flares Reported: NOAA Says More To Come: “Powerful”

    05/14/2013 4:04:23 PM PDT · by blam · 29 replies
    SHT Plan ^ | 5-14-2013 | Mac Slavo
    Solar Activity Surges: Multiple X-Class Flares Reported: NOAA Says More To Come: “Powerful” Mac Slavo May 14th, 2013 Leading up to 2013 many solar researches forecast that activity on the sun would be heating up as it transitioned into its solar maximum cycle, something that occurs about every 11 years. New data from the National Oceanic and Atmospheric Administration, which monitors solar activity in conjunction with other agencies and space projects, indicates that this wave of powerful solar storms may be starting. Solar storms, which are responsible for emitting Coronal Mass Ejections (CME’s), come in waves. In the last 48...
  • Sun in the Way Will Affect Mars Missions in April

    03/27/2013 11:57:25 AM PDT · by LibWhacker · 21 replies
    NASA ^ | 3/20/13
    Sun in the Way Will Affect Mars Missions in April This diagram illustrates the positions of Mars, Earth and the sun during a period that occurs approximately every 26 months, when Mars passes almost directly behind the sun from Earth's perspective. Image credit: NASA/JPL-Caltech March 20, 2013 Mars Missions Status Report PASADENA, Calif. - The positions of the planets next month will mean diminished communications between Earth and NASA's spacecraft at Mars. Mars will be passing almost directly behind the sun, from Earth's perspective. The sun can easily disrupt radio transmissions between the two planets during that near-alignment. To prevent...
  • NASA Pauses Mars Missions To Avoid Interference

    04/04/2013 5:52:37 PM PDT · by BenLurkin · 28 replies
    infrmationweek ^ | April 04, 2013 02:00 PM | J. Nicholas Hoover
    In an effort to avoid problems caused by interference, NASA will temporarily limit scientific observations by its Mars rovers and orbiters beginning Thursday as the Red Planet passes behind the sun as seen from Earth. The sun will appear between Earth and Mars throughout the month of April in a setup known as a Mars solar conjunction, which can interfere with communications between the two planets. Specifically, during these solar conjunctions, solar flares and charged particles being emitted from the sun can disrupt radio communications, and thus could interfere with the stream of data being sent back and forth to...
  • Solar proton event seen in paleo records (Carbon 14 in Tree Rings)

    03/15/2013 7:37:13 AM PDT · by Ernest_at_the_Beach · 36 replies
    Watts Up With That? ^ | March 12, 2013 | Anthony Watts
    From the AGU weekly highlights: Large solar proton event explains 774-775 CE carbon-14 increase Tree ring records indicate that in 774-775 CE, atmospheric carbon-14 levels increased substantially. Researchers suggest that a solar proton event may have been the cause. In solar proton events, large numbers of high-energy protons are emitted from the Sun, along with other particles. If these particles reach EarthÂ’s atmosphere, they ionize the atmosphere and induce nuclear reactions that produce higher levels of carbon-14; the particles also cause chemical reactions that result in depletion of ozone in the ozone layer, allowing harmful ultraviolet radiation to reach the...
  • Sequester Survival Stories: Part 1

    03/09/2013 10:11:09 AM PST · by NOBO2012 · 2 replies
    Michelle Obama's Mirror ^ | 3-9-2013 | MOTUS
    I’m feeling a little disjointed today, butt It’s Saturday! That means it’s time for my spankin’ new feature: Saturday Sequester Survival Stories. Harrowing tales of real people who survived the R-word’s sequester! First on the docket, Pet Care. I don’t know about you, butt the Wons are just too busy Organizing for Action and shrinking children's’ fat behinds to feed and walk their dog. Little Bo’s “security” could stand to visit the salad bar every so often Sure, I know Big Guy drops the old “got to go scoop the poop” canard when he wants out of some boring fundraiser...
  • CLEAR POWER PLANTS: The Very Real Possibility Of A Global Nuclear Catastrophe

    03/26/2012 1:50:06 PM PDT · by blam · 17 replies · 4+ views
    TMO ^ | 3-26-2012 | Wasingtons Blog
    CLEAR POWER PLANTS: The Very Real Possibility Of A Global Nuclear Catastrophe Politics / Nuclear Power Mar 26, 2012 - 01:59 AM By: Washingtons Blog The Government Spends Trillions On Unlikely Threats … But Won’t Spend a Billion Dollars to Prevent the Very Real Possibility of Global Nuclear Catastrophe We’re Spending Money Combating the Wrong Dangers Studies show that people are worry about the wrong things. We are terrified of things that will probably never happen, and underestimate the real dangers which face us. As we noted last year, the extreme vulnerability of nuclear power plants to solar flares is...
  • Homeland Security takes on The Carrington Event (Solar Flare in 1859)

    02/14/2012 12:51:39 PM PST · by Ernest_at_the_Beach · 10 replies
    Whats up With That? ^ | February 14, 2012 | Anthony Watts
    While we worry about future threats like global warming, and present threats like Iran’s escalating nuclear program, the sun’s propensity for belching out monstrous solar flares (like the Carrington event of 1859) could almost instantly create a world without modern conveniences, or even electricity. The sun could literally “bomb us back to the stone age”.Imagine a world without iPhones, and you’d understand why Homeland security rates New York and Seattle the highest for likelihood of major social unrest. Humans don’t do well in the dark. DHS has taken notice.Above: A modern solar flare recorded Dec. 5, 2006, by the X-ray...
  • The Secret Lives of Solar Flares

    09/21/2011 4:37:17 PM PDT · by neverdem · 8 replies
    NASA ^ | Sept. 19, 2011 | NA
    One hundred and fifty two years ago, a man in England named Richard Carrington discovered solar flares. Sunspots sketched by R. Carrington on Sept. 1, 1859. © R. Astronomical Society. [more] It happened at 11:18 AM on the cloudless morning of Thursday, September 1st, 1859. Just as usual on every sunny day, the 33-year-old solar astronomer was busy in his private observatory, projecting an image of the sun onto a screen and sketching what he saw. On that particular morning, he traced the outlines of an enormous group of sunspots. Suddenly, before his eyes, two brilliant beads of white light...
  • Times Atlas 'wrong' on Greenland ice

    09/19/2011 6:28:21 AM PDT · by Labour-Watch · 26 replies
    BBC ^ | Sep 19, 2011 | Richard Black
    Leading UK polar scientists say the Times Atlas of the World was wrong to assert that it has had to re-draw its map of Greenland due to climate change. Publicity for the latest edition of the atlas, launched last week, said warming had turned 15% of Greenland's former ice-covered land "green and ice-free". But scientists from the Scott Polar Research Institute say the figures are wrong; the ice has not shrunk so much. The Atlas costs £150 ($237) and claims to be the world's "most authoritative". The 13th edition of the "comprehensive" version of the atlas included a number of...
  • Tsunami of solar flares heading to Earth, may disrupt satellites

    06/08/2011 10:51:58 AM PDT · by mgstarr · 22 replies
    Digital Journal ^ | 6/8/11 | Andrew Moran
    Greenbelt - A "dramatic" solar flare has erupted from the sun, which has created spectacular images captured by NASA's observatories. Scientists believe it won't have a significant impact on Earth, but some communications satellites could be disrupted. NASA’s Solar Dynamics Observatory viewed spectacular images from the sun on Tuesday. The sun unleashed a medium-sized M-2 solar flare, a coronal mass ejection (CME) and an S1-class radiation storm from sunspot complex 1226-1227. At 1:41 a.m. (EST), all of the solar Heliophysics System Observatory missions witnessed the large cloud of bright plasma and high energy particles that came up and then fell...
  • SOLAR FLARE headed to earth....M6.6

    02/13/2011 1:56:04 PM PST · by TaraP · 58 replies
    Spaceweather ^ | Feb 13th, 2011
    SOLAR FLARE: Sunspot 1158 has just unleashed the strongest solar flare of the year, an M6.6-category blast @ 1738 UT on Feb. 13th. The eruption appears to have launched a coronal mass ejection (CME) toward Earth. It also produced a loud blast of radio emissions heard in shortwave receivers around the dayside of our planet. Stay tuned for updates! BEHEMOTH SUNSPOT 1158: Sunspot 1158 is growing rapidly (48 hour movie) and crackling with M-class solar flares. The active region is now more than 100,000 km wide with at least a dozen Earth-sized dark cores scattered beneath its unstable magnetic canopy....
  • Solar Flares, Coronal Mass Ejections, And Evil Alien Conquerors

    09/11/2010 5:44:03 AM PDT · by mattstat · 6 replies
    NASA, when it can spare time from its outreaching to the Muslims of the world, manages to fit in a little science. Like from it’s nearly spanking new Solar Dynamics Observatory. The picture below was taken by the SDO last week. Isn’t that slick? If you don’t immediately notice it, look at the base of the flare, where I placed a tiny blue dot, which is roughly the size of Mother Earth. (Yes, the dot is squarish; a result of my limited graphical abilities; the scale, however, is accurate.) Now, flares are often associated with things that looks similar, but...
  • Massive solar storm to hit Earth in 2012 with 'force of 100m bombs'

    08/27/2010 8:55:30 AM PDT · by COUNTrecount · 164 replies
    Yahoo (India) ^ | Aug. 26, 2010
    Melbourne, Aug 26 (ANI): Astronomers are predicting that a massive solar storm, much bigger in potential than the one that caused spectacular light shows on Earth earlier this month, is to strike our planet in 2012 with a force of 100 million hydrogen bombs. Several US media outlets have reported that NASA was warning the massive flare this month was just a precursor to a massive solar storm building that had the potential to wipe out the entire planet's power grid. Despite its rebuttal, NASA's been watching out for this storm since 2006 and reports from the US this week...
  • Solar Tsunami to Strike Earth

    08/03/2010 5:55:47 PM PDT · by Bad~Rodeo · 55 replies · 279+ views
    FoxNews.com ^ | August 03, 2010
    Earth is bracing for a cosmic tsunami Tuesday night as tons of plasma from a massive solar flare head directly toward the planet. The Sun's surface erupted early Sunday morning, shooting a wall of ionized atoms directly at Earth, scientists say. It is expected to create a geomagnetic storm and a spectacular light show -- and it could pose a threat to satellites in orbit, as well.