[BR-Crater] asteroid 1-in-75 chance to hit Mars on Jan 30

[Ian Kluft]

On Sun, Dec 23, 2007 at 03:51:31PM -0800, Ian Kluft wrote:
> Some or most of you have probably already seen this in the news...
> 
> There is an estimated 1 in 75 chance that the asteroid 2007 WD5 will impact
> Mars on Jan 30, 2008, just 5 weeks away.  This news will undoubtedly be
> updated as astronomers get more observations.
> 
> Here's a google news search for it...
>    http://news.google.com/news?hl=en&ned=us&q=asteroid+mars&btnG=Search+News
> 
> At 50m diameter, it's the same as the estimated sizes of the impactors in
> the Tunguska 1908 event and Barringer Crater, Arizona (a.k.a. Meteor Crater).
[...]

Here's an informative article about it at the Planetary Society.  The
diagram alone says more than all the media reports.

   "Asteroid Misses Earth, Threatens Mars"
   http://www.planetary.org/news/2007/1221_Asteroid_Misses_Earth_Threatens_Mars.html