Planetary science: Mars at the tipping point
Abstract
There's a big problem with the idea of ancient oceans on Mars: if they were contained within the 'shoreline' visible today, sea level would not have been level. Could it be that Mars has since tipped over?
- Publication:
-
Nature
- Pub Date:
- June 2007
- DOI:
- 10.1038/447785a
- Bibcode:
- 2007Natur.447..785Z