| blobrana |
| (Tourist) |
| 09/05/07 05:14 AM |
| View in Google Earth |
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298 Baptistina
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The extinction of the dinosaurs 65 million years ago can be traced to a collision between two monster rocks in the asteroid belt nearly 100 million years earlier, scientists report on Wednesday.
(Details inside)
| blobrana |
| (Tourist) |
| 09/05/07 02:42 PM |
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Re: 298 Baptistina
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The investigators also put a 70-percent probability that a four-km Baptistina asteroid hit the Moon some around 108 million years ago forming the 85-km crater Tycho.
"We are in the tail end of this shower now. Our simulations suggest that about 20 percent of the present-day near-Earth asteroid population can be traced back to the Baptistina family" - William Bottke, Southwest Research Institute, Colorado, US.
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| Hill |
| (Master Guide) |
| 09/12/07 08:01 PM |
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Re: 298 Baptistina
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More about Tycho from skyandtelescope.com