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Author Topic: russian-chelyabinsk-meteor-largest-since-1908-tungunska-event  (Read 2148 times)
AlanM
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« on: February 19, 2013, 01:32:39 PM »

http://wattsupwiththat.com/2013/02/18/russian-chelyabinsk-meteor-largest-since-1908-tungunska-event/#more-79978

"The meteor that crashed to earth in Russia was about 55 feet in diameter, weighed around 10,000 tons and was made from a stony material, scientists said, making it the largest such object to hit the Earth in more than a century."
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Philip R
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« Reply #1 on: February 28, 2013, 12:25:16 AM »

Made from a stony material, well that was an obvious statement.

I would have been realy more concerned if it was made of green slime or indeed something not rocky or a little bit metallic.

I believe some of the metallic meteorites are made up of iridium and rare earths. None of these would get to the museum as they would end up at the specialist scrapman, followed by some hancuffs round one wrists.

Philip R

PS the other year  a meteorite landed in Canada. Some Geologist fellow said it came from Mars or somewhere else! How do they know, did it have a label on it saying "Made on Mars"?
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Ted
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« Reply #2 on: February 28, 2013, 08:12:22 AM »

A school geology trip.

Annoying schoolboy: "Sir, sir, please sir what sort of rock is this?"

Exasperated teacher: "That is solid rock, that is."
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renewablejohn
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« Reply #3 on: February 28, 2013, 01:40:58 PM »




PS the other year  a meteorite landed in Canada. Some Geologist fellow said it came from Mars or somewhere else! How do they know, did it have a label on it saying "Made on Mars"?

Wrapper said produced in Slough   whistlie
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desperate
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« Reply #4 on: February 28, 2013, 06:23:06 PM »

There are a lot of metallic meteorites, most of them are Nickel/Iron, but as you say there are all sorts of elements floating around up there. I believe they can use Spectometery among other techniques to identify where stuff comes from. The Mars Express probe in particular has been studying the planetary surface in great detail, and anything we find on earth that has the same composition has more than likely been blasted off Mars during the early years of the solar systems formation.
You know what modern builders are like, rubble all over the place, twas the same 3,500,000,000 years ago Grin

Desp
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M
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« Reply #5 on: February 28, 2013, 06:37:03 PM »




PS the other year  a meteorite landed in Canada. Some Geologist fellow said it came from Mars or somewhere else! How do they know, did it have a label on it saying "Made on Mars"?

Wrapper said produced in Slough   whistlie

But confusingly it had 'Blackpool' written right through the middle of it?

Mart.
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desperate
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« Reply #6 on: February 28, 2013, 06:42:30 PM »

Ah thats a special one from a Black Hole, they were going to write "Singularity Special" through it, but all the known laws of physics and spelling broke down facepalm

stare peeD
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murraymint
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« Reply #7 on: March 01, 2013, 06:33:00 PM »

BBC 2, Sunday @ 21:30. An Horizon programme "The truth about meteors"
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