[meteorite-list] FW: Mars Odyssey THEMIS Images: July 11-15, 2005

From: Göran Axelsson <axelsson_at_meteoritecentral.com>
Date: Sat Jul 16 10:55:42 2005
Message-ID: <42D92060.1090409_at_acc.umu.se>

As the craters are so much bigger than the impactors, the
twin impactors couldn't be touching but have to be separated
before impact. The point where they hit must be in the center
of the craters.

Really nice pictures, thanks for the link.

/G?ran

Greg Redfern wrote:

>My OWN guess (SWAGS are allowed/encouraged here!) is a dual impact at the
>exact same time with the impactors closely aligned - perhaps even touching
>or loosely bound. Ejecta is squeezed out and a wall is formed at the
>intersection of the two craters' point of outer wall intersection . Messier
>A & B on the moon are thought to be dual impactors but they are spread apart
>a bit.
>
>Fascinating as Spock would say.
>
>Greg Redfern
>
>
>
Received on Sat 16 Jul 2005 10:57:36 AM PDT