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Update: meteorite from California fireball recovered

22 Oct 2012, 20:00 UTC
Update: meteorite from California fireball recovered
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This is exciting: a meteorite from last week’s fireball over northern California has been found! NBC is reporting a small chunk, 4-5 centimeters across and weighing about 60 grams, struck a house in Novato, California shortly after the fireball was seen.
They’re reporting Peter Jenniskens, a SETI astronomer and meteorite expert, confirmed the find. That’s critical: a lot of rocks are mistaken for meteorites by people (and the media) who aren’t familiar with them. This chunk is small, though, and given how bright the fireball was and how it was seen to fragment, I’d think bigger pieces must have fallen. That area is fairly well-populated – I used to live not far from there and cursed traffic every time I had to endure it – so hopefully more pieces will turn up.
The beauty of this is that because it was seen by several cameras and dozens of witnesses, the path across the sky can be well-determined. That can be backtracked in space to see where in the solar system it came from. And with an actual piece of that asteroid in hand, we ...

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