Analysis of a fist-sized meteorite and its 600 siblings is revealing, for the first time, the life and death of meteors that streak across the night sky.
Forged at the dawn of the solar system, a fist-sized meteorite has ended its millions-mile journey, safe and secure, in the hands of scientists.
Scientists believe that asteroids are the wreckage of destroyed would-be-planets, created in the first chaotic million years of the solar system. The flickering object looked as if it was hurtling directly toward Earth. For 20 hours, the computers in NASA's Near-Earth Object Program Office at the Jet Propulsion Laboratory in Pasadena tracked its trajectory.
Where did it land? With an explosion so high in the atmosphere, many scientists assumed that none of the asteroid had survived the scorching race through the Earth's atmosphere.Born in the Netherlands, he had fallen in love with meteors at first sight when, as a graduate student, he witnessed a brilliant green-yellow streak across an inky black sky. He is now a global expert on the subject, investigating asteroid impacts in remote Russia and other distant locales.
More were found in the days that followed. While all were covered in glassy crust, they had different colors and textures from different mixtures of olivines, pyroxenes, iron sulfides and other minerals, unexpectedly showing that asteroid 2008 TC3 spawned many types of meteorites.
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