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Astronomy Picture of the Day -- Tunguska: The Largest Recent Impact Event
NASA ^ | October 02, 2011 | (see photo credit)

Posted on 10/01/2011 9:12:53 PM PDT by SunkenCiv

Explanation: Yes, but can your meteor do this? The most powerful natural explosion in recent Earth history occurred on 1908 June 30 when a meteor exploded above the Tunguska River in Siberia, Russia. Detonating with an estimated power 1,000 times greater than the atomic bomb dropped over Hiroshima, the Tunguska event leveled trees over 40 kilometers away and shook the ground in a tremendous earthquake. Eyewitness reports are astounding. The above picture was taken by a Russian expedition to the Tunguska site almost 20 years after the event, finding trees littering the ground like toothpicks. Estimates of the meteor's size range from 60 meters to over 1000 meters in diameter. Recent evidence suggests that nearby Lake Cheko may even have been created by the impact. Although a meteor the size of the Tunguska can level a city, metropolitan areas take up such a small fraction of the Earth's surface that a direct impact on one is relatively unlikely. More likely is an impact in the water near a city that creates a dangerous tsunami. One focus of modern astronomy is to find Solar System objects capable of creating such devastation well before they impact the Earth.

October 02, 2011

(Excerpt) Read more at 129.164.179.22 ...


TOPICS: Astronomy; Astronomy Picture of the Day; Science
KEYWORDS: apod; astronomy; science; tunguska
[Credit: Leonid Kulik Expedition, Wikipedia ]

1 posted on 10/01/2011 9:13:01 PM PDT by SunkenCiv
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To: 75thOVI; agrace; aimhigh; Alice in Wonderland; AndrewC; aragorn; aristotleman; Avoiding_Sulla; ...



2 posted on 10/01/2011 9:14:39 PM PDT by SunkenCiv (It's never a bad time to FReep this link -- https://secure.freerepublic.com/donate/)
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To: brytlea; cripplecreek; decimon; bigheadfred; KoRn; Grammy; married21; steelyourfaith; Mmogamer; ...

Ooh, on the Earth, but *now* we're talkin'. ;')

3 posted on 10/01/2011 9:15:32 PM PDT by SunkenCiv (It's never a bad time to FReep this link -- https://secure.freerepublic.com/donate/)
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To: SunkenCiv

amazing.


4 posted on 10/01/2011 9:17:58 PM PDT by ken21 (ruling class dem + rino progressives -- destroying america for 150 years.)
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To: SunkenCiv

I’ve always been fascinated by that story.


5 posted on 10/01/2011 9:18:12 PM PDT by Past Your Eyes (I'm sticking with Herman. No more second terms!)
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To: SunkenCiv
The Tunguska “event” was the result of a warp core breach on a Type VII shuttle craft that became unstable after entering a temporal rift. The shuttle had been trying to enter a McDonald's Fly-Through on Kronos when a passing heard of Targs caused the rift.

True story...

6 posted on 10/01/2011 9:45:07 PM PDT by BigCinBigD
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To: BigCinBigD

Does this mean we no longer have to fear a Borg incursion to the past?

Where is Zephram Cochran now?


7 posted on 10/01/2011 10:17:47 PM PDT by treetopsandroofs (Had FDR been GOP, there would have been no World Wars, just "The Great War" and "Roosevelt's Wars".)
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To: SunkenCiv

Tesla’s fault!


8 posted on 10/01/2011 10:22:22 PM PDT by Jack Hydrazine (It's the end of the world as we know it and I feel fine!)
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To: SunkenCiv

http://www-th.bo.infn.it/tunguska/tu99foto.htm Pictures from the University Of Bologna expedition.


9 posted on 10/01/2011 10:23:19 PM PDT by Amberdawn
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To: BigCinBigD

Targs “trippin’ the Rift”? Oh the horror of it.

Worse than “Time Tunnel”.


10 posted on 10/01/2011 10:49:15 PM PDT by MadMax, the Grinning Reaper
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To: SunkenCiv
Cool stuff. I remember reading about this when I was a mere kiddo.
More stuff:

Tunguska Home page

The scientists visiting there had trouble with the bears in the area.
11 posted on 10/01/2011 11:31:49 PM PDT by Tainan (Cogito, Ergo Conservitus.)
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To: BigCinBigD
All that due to a hankering for heart of targ McNuggets?(with bloodwine sauce)

CC

12 posted on 10/02/2011 1:09:46 AM PDT by Celtic Conservative (Wisdom comes from experience. Experience comes from a lack of wisdom.)
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To: SunkenCiv

Some say the cause was one of Tesla’s experiments.

Some say an exotic craft exploded or had some effect just above the surface there.


13 posted on 10/02/2011 1:17:22 AM PDT by Quix (Times are a changin' INSURE you have believed in your heart & confessed Jesus as Lord Come NtheFlesh)
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To: Celtic Conservative

Klingon secret sauce is to die for. No, really it will kill you.


14 posted on 10/02/2011 2:11:01 AM PDT by BigCinBigD
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To: Jack Hydrazine

No, actually it’s Bush’s fault. If you don’t believe me, just as Obama.


15 posted on 10/02/2011 2:59:48 AM PDT by ixtl (You live and learn. Or you don't live long.)
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To: Quix

David Hatcher Childress claimed in one of his ridiculous but entertaining books that Tesla’s test of his Wardenclyffe Tower wireless transmission of electricity system corresponded with the Tunguska blast. There’s literally no way that could have happened, since the facility was in foreclosure in 1908, and Tesla had no money. In addition, knocking down all the trees for miles — in the Middle of Nowhere, Siberia — would have required far more energy than could be broadcasted from the tower. Also, there’s the matter of why a firing-up of what was ultimately a radio transmitter in upstate NY would cause an explosion in Siberia — there is no connection at all.

The book “The Fire Came By” regarding the exploding UFO angle was an interesting read (that was during my college days) but the case isn’t compelling. The exploding UFO idea originated with a Russian circa 1960, but he’s not the author of the book. It’s probably around here somewhere, in the chaos and disorder of my home. ;’)

One detail from “TFCB” that’s of interest here is that the incoming bolide that impacted near Tunguska was seen burning its way across the skies of India.


16 posted on 10/02/2011 5:38:04 AM PDT by SunkenCiv (It's never a bad time to FReep this link -- https://secure.freerepublic.com/donate/)
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To: ken21; Past Your Eyes

I wholeheartedly agree.


17 posted on 10/02/2011 5:40:09 AM PDT by SunkenCiv (It's never a bad time to FReep this link -- https://secure.freerepublic.com/donate/)
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To: Tainan

It was a necessity, from the sound of it. ;’)


18 posted on 10/02/2011 5:40:24 AM PDT by SunkenCiv (It's never a bad time to FReep this link -- https://secure.freerepublic.com/donate/)
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To: BigCinBigD; treetopsandroofs; Jack Hydrazine; MadMax, the Grinning Reaper; Celtic Conservative; ...

:’D


19 posted on 10/02/2011 5:58:27 AM PDT by SunkenCiv (It's never a bad time to FReep this link -- https://secure.freerepublic.com/donate/)
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To: Amberdawn; JoeProBono

Thanks!


20 posted on 10/02/2011 5:58:40 AM PDT by SunkenCiv (It's never a bad time to FReep this link -- https://secure.freerepublic.com/donate/)
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To: SunkenCiv

Thanks.

I never knew what to make of such claims. They seemed rather . . . out there.


21 posted on 10/02/2011 6:01:59 AM PDT by Quix (Times are a changin' INSURE you have believed in your heart & confessed Jesus as Lord Come NtheFlesh)
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To: Quix

Ooops, and when I said, “it’s probably around here somewhere”, I meant the book, not the exploding UFO.

Although, wth, it would be nice to have a chunk of a UFO...


22 posted on 10/02/2011 6:23:39 AM PDT by SunkenCiv (It's never a bad time to FReep this link -- https://secure.freerepublic.com/donate/)
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To: SunkenCiv

23 posted on 10/02/2011 7:42:08 AM PDT by JoeProBono (A closed mouth gathers no feet)
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To: JoeProBono; SunkenCiv

Great. It was a cosmic beaver. No doubt some escapee from a black hole in the coal sack marauding across the galaxy with the sole intent of bringing long, rigid poles to their limpid demise.


24 posted on 10/02/2011 8:01:44 AM PDT by bigheadfred (But alas)
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To: bigheadfred

25 posted on 10/02/2011 8:12:46 AM PDT by JoeProBono (A closed mouth gathers no feet)
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To: JoeProBono

I was thinking more like black latex.


26 posted on 10/02/2011 8:16:44 AM PDT by bigheadfred (But alas)
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To: SunkenCiv

And that pic was taken 19 years after the event....wow...


27 posted on 10/02/2011 8:40:11 AM PDT by DeoVindiceSicSemperTyrannis (V'al kulam eloha selichot S'lach lanu m'chal lanu kaper lanu)
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To: SunkenCiv
"Although a meteor the size of the Tunguska can level a city, metropolitan areas take up such a small fraction of the Earth's surface that a direct impact on one is relatively unlikely."

There are some who believe the Chicago Fire and the Peshtigo Fire, which occurred on the same night at the same time (200 miles apart), may have been caused by a meteor or comet. The fire in Peshtigo, WI. killed 1500 people, destroyed three towns and burned 4 million acres of forest and prairie.

28 posted on 10/02/2011 8:50:00 AM PDT by Flag_This (Real presidents don't bow.)
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To: SunkenCiv

Thank you for your posts!


29 posted on 10/02/2011 2:36:38 PM PDT by Amberdawn
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To: BigCinBigD
They just couldn't wait to circle the block.


30 posted on 10/02/2011 5:04:07 PM PDT by rawcatslyentist (It is necessary that a person be born of a father who is a citizen; ~Vattel's Law of Nations)
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To: SunkenCiv

They need to be careful about that black oil in the Tunguska rocks . . . .


31 posted on 10/03/2011 1:33:29 PM PDT by colorado tanker
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Click the Pic               Thank you, JoeProBono

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32 posted on 10/03/2011 2:31:42 PM PDT by TheOldLady (FReepmail me to get ON or OFF the ZOT LIGHTNING ping list)
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To: colorado tanker

;’)


33 posted on 10/03/2011 8:52:50 PM PDT by SunkenCiv (It's never a bad time to FReep this link -- https://secure.freerepublic.com/donate/)
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