article_snippet.sent: A meteor that blazed across southern Urals in February was the largest recorded meteor strike in more than a century.
article_snippet.sent: Much of A meteor that blazed across southern Urals in February landed in a local lake called Chebarkul.
article_snippet.sent: Scientists have already uncovered more than 12 pieces from Lake Chebarkul since the February 15 incident.
article_snippet.sent: The Chelyabinsk asteroid caused the second most powerful explosion in recorded history.
article_snippet.sent: The first was in 1908 when a suspected asteroid exploded with a force about 1,000 times more powerful than Hiroshima, levelling about 80m trees over 772 sq miles (2,000 sq km) near Russia's Podkamennaya Tunguska river in Siberia.
article_snippet.sent: A meteor that blazed across southern Urals in February may have formed after breaking off a 656 feet wide asteroid called 2011 EO.
article_snippet.sent: Researchers have also found that A meteor that blazed across southern Urals in February may have collided with another asteroid around 290 million years ago. '
article_snippet.sent: The 20-ft-wide hole in the ice of a frozen lake was created by the falling fragments of the meteor .