Search found 1 match
- Sun Jul 30, 2006 9:38 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Valles Marineris(Grand canyon of MARS) (APOD 30 Jul 2006)
- Replies: 4
- Views: 2395
Valles Marineris(Grand canyon of MARS) (APOD 30 Jul 2006)
Looking at the APOD for 30th july (above) seems to me the explanation is a bit fanciful(crack in planet?) Looking at the same thing under a microscope on a ball-bearing I would say it's been caused by a touching scraping near-miss by another round body,notice parallel striations above and below the ...