Hunting meteorites
Left: A time-exposure image of the Australian night sky showing a meteor trail, taken by Phil Bland, as part of the Desert Fireball Network project.
NASA estimated the Russian meteorite to be 55 feet in size, with an estimated mass of between 7,000 and 10,000 tons.
For more info:
The Antarctic Search for Meteorites (ANSMET)
Smithsonian - National Museum of Natural History
By CBSNews.com senior editor David Morgan