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Monday, February 18, 2013

'Meteorite rush' begins as Russian scientists find fragments

Pieces of porous black rock, reportedly fragments of the meteor that spectacularly plunged over Russia''s Ural Mountains.

A meteor that exploded over Russia's Ural mountains and sent fireballs blazing to earth has set off a rush to find fragments of the space rock which hunters hope could fetch thousands of dollars a piece.

Friday's blast and ensuing shockwave shattered windows, injured almost 1,200 people and caused about $33 million worth of damage, said local authorities.

It also started a "meteorite rush" around the industrial city of Chelyabinsk, 1,500 km (950 miles) east of Moscow, where groups of people have started combing through the snow and ice.

One amateur space enthusiast estimated chunks could be worth anything up to 66,000 roubles ($2,200) per gram - more than 40 times the current cost of gold.

"The price is hard to say yet ... The fewer meteorites that are recovered, the higher their price," said Dmitry Kachkalin, a member of the Russian Society of Amateur Meteorite Lovers. Meteorites are parts of a meteor that have fallen to earth.

Scientists at the Urals Federal University were the first to announce a significant find - 53 small, stony, black objects around Lake Chebarkul, near Chelyabinsk, which tests confirmed were small meteorites.

The fragments were only 0.5 to 1 cm (0.2 to 0.4 inches) across but the scientists said larger pieces may have crashed into the lake, where a crater in the ice about eight meters (26 feet) wide opened up after Friday's explosion.

"We just completed tests and confirm that the pieces of matter found by our experts around Lake Chebarkul are really meteorites," said Viktor Grokhovsky, a scientist with the Urals Federal University and the Russian Academy of Sciences.

"These are classified as ordinary chondrites, or stony meteorites, with an iron content of about 10 percent," he told RIA news agency.

He did not say whether the fragments had told his team anything about the origins of the meteor, which the US space agency NASA estimated was 55 feet across before entering Earth's atmosphere and weighed about 10,000 tons.

The main fireball streaked across the sky at a speed of about 30 km (19 miles) per second, according to Russian space agency Roscosmos, before crashing into the snowy wastes.

 

 

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Tags:  russia  meteorite  scientists  us  friday  space  





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