Urals Federal University researchers are back from a field expedition to the Chelyabinsk region where a meteorite fell last Friday, university employee, Russian Academy of Sciences Meteorite Committee member Viktor Grokhovsky told Interfax on Wednesday.
Meteorite fragments they have found are much bigger than the earlier discoveries: some of them are as big as a fist, he said.
"This is a proof of a stone meteor shower," Grokhovsky said.
This time the scientists did not go to the Lake Chebarkul but focused on areas south of Chelyabinsk. They did not indicate the precise location.
The university is preparing a new expedition to search for meteorite fragments. It has been scheduled for next weekend, a university source told Interfax.
"Samples collected in the latest expedition are being studied," the source said.
A university expedition delivered about 50 meteorite fragments found near a hole in the Lake Chebarkul on Feb. 17. The pieces were smaller than one centimeter in size. Scientists identified the meteorite as a regular chondrite, a stone meteorite with 10 pecent iron content. Grokhovsky suggested that most of the meteorite mass had sunken in the lake and the meteorite might have been 60 centimeters in diameter.
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