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Keyword: galaxy

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  • A Huge Cosmic Void Is Repelling Our Galaxy

    01/31/2017 4:57:42 PM PST · by MtnClimber · 65 replies
    Real Clear Science ^ | 30 Jan, 2017 | Ross Pomeroy
    Today, in the journal Nature Astronomy, a team of researchers led by Hebrew University cosmologist Yehuda Hoffman has reported that they've found... nothing. To be clear, they've found something, but that something is essentially nothing. Specifically, Hoffman and his colleagues have spotted an immense, naked region of space which they predict to be largely devoid of galaxies. Since this region is relatively empty of matter, it is exerting a repelling effect on the Local Group of galaxies, which includes Andromeda, the Triangulum Galaxy, and our own Milky Way. The researchers made the discovery by visualizing the velocities of various galaxies...
  • Fire on Plane Caused by Replacement Samsung Galaxy Note 7

    10/05/2016 12:35:39 PM PDT · by House Atreides · 21 replies
    macrumors.com ^ | October 5, 2016 | Juli Clover
    Over the past few weeks, Samsung has been replacing recalled Galaxy Note 7 smartphones that have faulty exploding batteries with new devices, but an incident today suggests the South Korean company's smartphone woes aren't over. A Southwest flight from Louisville to Baltimore was today evacuated just before it pulled out of the gate because a Samsung Galaxy Note 7 smartphone started smoking. While no one was injured, there is a serious problem -- the Galaxy Note 7 in question was a replacement device that had been deemed "safe" by Samsung. According to The Verge, the owner of the Galaxy Note...
  • Astronomers Discover New Galaxy That Is 99.99% Dark Matter

    08/25/2016 10:16:17 PM PDT · by LibWhacker · 41 replies
    Popular Mechanics ^ | 8/25/16 | Avery Thompson
    Astronomers Discover New Galaxy That Is 99.99% Dark Matter ​Scientists hope this new galaxy could help uncover the truth about dark matter. NASA 149 A team of astronomers at the Keck Observatory in Maunakea, Hawaii, have discovered a massive galaxy made of 99.99 percent dark matter.The galaxy, called Dragonfly 44, is part of a collection of galaxies discovered a year ago by the same team. These galaxies are the same size and shape of regular galaxies, but contain far fewer stars. And now we know why: they're made almost entirely of dark matter. Advertisement - Continue Reading Below Mysterious Origins...
  • Sharpest ever view of the Andromeda Galaxy

    07/05/2016 10:16:32 PM PDT · by LibWhacker · 45 replies
    Space Telescope ^ | J. Dalcanton (Univ. of Washington), et al.
    Sharpest ever view of the Andromeda Galaxy This image, captured with the NASA/ESA Hubble Space Telescope, is the largest and sharpest image ever taken of the Andromeda galaxy -- otherwise known as M31.This is a cropped version of the full image and has 1.5 billion pixels. You would need more than 600 HD television screens to display the whole image.It is the biggest Hubble image ever released and shows over 100 million stars and thousands of star clusters embedded in a section of the galaxy's pancake-shaped disc stretching across over 40 000 light-years.This image is too large to be easily...
  • Astronomy Picture of the Day -- NGC 6814: Grand Design Spiral Galaxy from Hubble

    06/21/2016 1:24:44 PM PDT · by SunkenCiv · 8 replies
    NASA ^ | Tuesday, June 21, 2016 | (see photo credit)
    Explanation: In the center of this serene stellar swirl is likely a harrowing black-hole beast. The surrounding swirl sweeps around billions of stars which are highlighted by the brightest and bluest. The breadth and beauty of the display give the swirl the designation of a grand design spiral galaxy. The central beast shows evidence that it is a supermassive black hole about 10 million times the mass of our Sun. This ferocious creature devours stars and gas and is surrounded by a spinning moat of hot plasma that emits blasts of X-rays. The central violent activity gives it the designation...
  • Never-before-seen galaxy spotted orbiting the Milky Way

    04/15/2016 7:44:48 AM PDT · by MtnClimber · 21 replies
    New Scientist ^ | 14 Apr, 2016 | Ken Croswell
    The galaxy’s empire has a new colony. Astronomers have detected a dwarf galaxy orbiting the Milky Way whose span stretches farther than nearly all other Milky Way satellites. It may belong to a small group of galaxies that is falling into our own. Giant galaxies like the Milky Way grew large when smaller galaxies merged, according to simulations. The simulations also suggest that whole groups of galaxies can fall into a single giant at the same time. The best examples in our cosmic neighbourhood are the Large and Small Magellanic Clouds, the Milky Way’s two brightest satellites, which probably orbit...
  • Milky Way Grew From the Inside Out

    03/17/2016 8:09:54 PM PDT · by MtnClimber · 17 replies
    D News ^ | 11 Jan, 2016 | IRENE KLOTZ
    Scientists have made a cosmic growth chart of the Milky Way galaxy, an innovative blending of data collected by the ongoing Sloan Digital Sky Survey and a new technique to determine the ages of stars. As expected, the analysis shows the galaxy’s central disk formed from the inside out, with red giant stars as old as about 13 billion years clustered toward the center and younger stars about 1 billion years old closer to the disk’s edge, astronomer Melissa Ness, with the Max Planck Institute for Astronomy in Heidelberg, Germany, told reporters at the American Astronomical Society meeting in Kissimmee,...
  • Farthest Galaxy Yet Smashes Cosmic Distance Record

    03/04/2016 3:51:26 AM PST · by LibWhacker · 34 replies
    space.com ^ | 3/3/16 | Calla Cofield
    Farthest Galaxy Yet Smashes Cosmic Distance Record By Calla Cofield, Space.com Staff Writer March 3, 2016 04:45pm ET MORE Please upgrade your Flash Plugin The Hubble Space Telescope just calculated the distance to the most far-out galaxy ever measured, providing scientists with a look deep into the history of the universe. The far-away galaxy, named GN-z11, existed a mere 400 million years after the Big Bang, or about 13.3 billion years ago. Because the light from such a distant galaxy must travel huge distances to reach Earth, scientists are seeing the galaxy as it looked over 13 billion years ago....
  • A visual comparison of the largest known galaxy to the Milky Way

    03/02/2016 9:37:50 AM PST · by LibWhacker · 60 replies
  • The most luminous galaxy is being torn apart by a black hole

    01/18/2016 9:03:18 AM PST · by Citizen Zed · 53 replies
    cbs news ^ | 1-18-2016 | BRIAN MASTROIANNI
    The galaxy, which is called W2246-0526 and 12.4 billion light years from Earth, is the most luminous in the universe, according to a 2015 NASA study. If all galaxies were the same distance from us, this one would shine the brightest. In new research, published in The Astrophysical Journal Letters, this shiniest of galaxies is expelling incredibly turbulent gases, which has never been evidenced in this kind of space body before. "It is like a pot of boiling water being heated up by a nuclear reactor in the center," Tanio Diaz-Santos of the Universidad Diego Portales in Santiago, Chile, lead...
  • Astronomy Picture of the Day -- Barred Spiral Galaxy NGC 1300

    01/09/2016 1:41:47 PM PST · by SunkenCiv · 11 replies
    NASA ^ | January 09, 2016 | (see photo credit)
    Explanation: Big, beautiful, barred spiral galaxy NGC 1300 lies some 70 million light-years away on the banks of the constellation Eridanus. This Hubble Space Telescope composite view of the gorgeous island universe is one of the largest Hubble images ever made of a complete galaxy. NGC 1300 spans over 100,000 light-years and the Hubble image reveals striking details of the galaxy's dominant central bar and majestic spiral arms. In fact, on close inspection the nucleus of this classic barred spiral itself shows a remarkable region of spiral structure about 3,000 light-years across. Like other spiral galaxies, including our own Milky...
  • Image: Hubble views two galaxies merging

    12/31/2015 2:16:08 PM PST · by Red Badger · 15 replies
    phys.org ^ | December 31, 2015 | Provided by: NASA
    Credit: ESA/Hubble & NASA, Acknowledgement: Judy Schmidt ---------------------------------------------------------------------------------------------------------------------------------------- This image, taken with the Wide Field Planetary Camera 2 on board the NASA/ESA Hubble Space Telescope, shows the galaxy NGC 6052, located around 230 million light-years away in the constellation of Hercules. It would be reasonable to think of this as a single abnormal galaxy, and it was originally classified as such. However, it is in fact a "new" galaxy in the process of forming. Two separate galaxies have been gradually drawn together, attracted by gravity, and have collided. We now see them merging into a single structure. As the merging...
  • Galactic Monster Mystery Revealed in Ancient Universe [Galaxies that shouldn't exist!]

    11/19/2015 12:26:11 PM PST · by Red Badger · 34 replies
    Discovery.com ^ | Nov 19, 2015 07:00 AM ET | by Ian O'Neill Source: ESO
    ESO's VISTA survey telescope has spied a horde of previously hidden massive galaxies that existed when the Universe was in its infancy. By discovering and studying more of these galaxies than ever before, astronomers have for the first time found out exactly when such monster galaxies first appeared. The newly discovered massive galaxies are marked on this image of the UltraVISTA field. [RED CIRCLES] ================================================================================================================ Astronomers have detected something baffling at the furthest frontiers of our observable universe: massive galaxies -- lots of massive galaxies -- that shouldn't even exist. Depending on the wavelength you observe the universe in,...
  • Astronomers Found the Ghost of a Rare Giant Radio Galaxy

    11/09/2015 6:14:29 AM PST · by Red Badger · 33 replies
    gizmodo.com ^ | 11/08/15 4:05pm | Kiona Smith-Strickland
    Image: J021659-044920. The red and yellow lobes are the galaxy’s radio lobes. The red spot in the center is the visible galaxy. Prathamesh Tamhane/Yogesh Wadadekar. ================================================================================================================== Astronomers in India have discovered a very unusual galaxy, and it’s dying. By now, in fact, it’s probably already dead. The new galaxy, known as J021659-044920, is 9 billion light years away from Earth. That means it’s really old in cosmic terms (but not quite as old as the oldest object astronomers have ever found, a galaxy 13 billion light years away called UDFy-38135539). Viewed in the visible spectrum, J021659-044920spans about 100,000 light years...
  • iPhone 6s goes on sale in Samsung’s home market to long queues; earlier online pre-order sellout

    10/25/2015 12:40:52 PM PDT · by Swordmaker · 36 replies
    9 to 5 Mac ^ | October 23, 2015 | By Ben Lovejoy
    The iPhone 6s/Plus seems pretty popular already in Samsung’s home market of Korea, despite only going on sale today. All three major carriers earlier reported that they quickly sold out when the new iPhones were made available for pre-order on Monday. Now Patently Apple notes queues of hundreds of people at retail stores, with some having waited in line for 24 hours …  Lines of hundreds of iPhones 6s purchasers in Korea Local brands Samsung and LG were clearly concerned, having both dropped the prices of their flagship devices prior to the iPhone 6s/Plus going on sale in Korea, and Samsung making its Galaxy Note...
  • More Evidence for Coming Black Hole Collision (total mass > a billion suns)

    09/22/2015 9:34:46 AM PDT · by LibWhacker · 49 replies
    NYTimes ^ | 9/16/15 | Dennis Overbye
    The apocalypse is still on, apparently — at least in a galaxy about 3.5 billion light-years from here. Last winter, a team of Caltech astronomers reported that two supermassive black holes appeared to be spiraling together toward a cataclysmic collision that could bring down the curtains in that galaxy. The evidence was a rhythmic flickering from the galaxy’s nucleus, a quasar known as PG 1302-102, which Matthew Graham and his colleagues interpreted as the fatal mating dance of a pair of black holes with a total mass of more than a billion suns. Their merger, the astronomers calculated, could release...
  • Astronomy Picture of the Day -- The Large Cloud of Magellan

    08/26/2015 11:33:32 PM PDT · by SunkenCiv · 9 replies
    NASA ^ | August 27, 2015 | (see photo credit)
    Explanation: The 16th century Portuguese navigator Ferdinand Magellan and his crew had plenty of time to study the southern sky during the first circumnavigation of planet Earth. As a result, two fuzzy cloud-like objects easily visible to southern hemisphere skygazers are known as the Clouds of Magellan, now understood to be satellite galaxies of our much larger, spiral Milky Way galaxy. About 160,000 light-years distant in the constellation Dorado, the Large Magellanic Cloud (LMC) is seen here in a remarkably deep, colorful, image. Spanning about 15,000 light-years or so, it is the most massive of the Milky Way's satellite galaxies...
  • Giant Galaxy Ring Shouldn't Exist

    08/24/2015 7:30:54 AM PDT · by fishtank · 89 replies
    Institute for Creation Research ^ | 8-24-15 | Jake Hebert, Ph.D.
    Giant Galaxy Ring Shouldn't Exist by Jake Hebert, Ph.D. * A team of astronomers from Hungary and the United States, led by Professor Lajos Balázs of Konkoly Observatory in Budapest, has announced the discovery of an enormous ring of galaxies. According to the Big Bang model, this ring should not exist.1,2,3 The galaxies were identified from gamma-ray bursts (GRBs)—extremely intense, narrow beams of high-energy electromagnetic radiation which are thought to result from the collapse of high-mass stars. The astronomers estimated that the gamma-ray bursts originated in nine galaxies located approximately seven billion light-years from Earth. These galaxies are thought to...
  • New record: Keck Observatory measures most distant galaxy

    08/06/2015 12:35:20 PM PDT · by Red Badger · 5 replies
    phys.org ^ | 08-05-2015 | by Steve Jefferson & Provided by: W. M. Keck Observatory
    EGSY8p7 is the most distant confirmed galaxy whose spectrum obtained with the W. M. Keck Observatory places it at a redshift of 8.68 at a time when the Universe was less than 600 million years old. The illustration shows the remarkable progress made in recent years in probing early cosmic history. Such studies are important in understanding how the Universe evolved from an early dark period to one when galaxies began to shine. Hydrogen emission from EGSY8p7 may indicate it is the first known example of an early generation of young galaxies emitting unusually strong radiation. Credit: Adi Zitrin, California...
  • Pre-installed keyboard leaves 600 million Samsung smartphones vulnerable to hackers

    06/17/2015 9:32:15 PM PDT · by Swordmaker · 32 replies
    Digital Trends ^ | June 17, 2015 | By Robert Nazarian
    If your rocking a Samsung smartphone, you could be vulnerable to hackers, thanks to a preinstalled keyboard on your device.The vulnerability was discovered by Ryan Welton from mobile security specialists NowSecure. The issue is with the preinstalled Swift keyboard which looks for language pack updates over an unencrypted line. Welton found that a hacker could create a spoof proxy server and send a fake update to the device with malicious code. The hacker could then exploit the device by eavesdropping on incoming and outgoing messages or voice calls, access personal data such as pictures or text messages, tamper with apps,...