Martian Stairs Suggest Predictable Ancient Climate
Tilt in Mars' axis could have created layered, stair-stepped rock formations long ago.
ScienceNews - 2008 Dec 04
NASA Orbiter Finds Martian Rock Record With 10 Beats to the Bar
NASA Mission News - MRO - 2008 Dec 04
http://www.nasa.gov/mission_pages/MRO/m ... 1204a.html
http://www.nasa.gov/mission_pages/MRO/m ... 1204b.html
http://www.nasa.gov/mission_pages/MRO/m ... 1204c.html
http://www.nasa.gov/mov/295588main_mro20081204-480.mov
Mars Wobbles Created Climate Swings
Space.com - 2008 Dec 04
Rocks on Mars Hold Key to Climate History
Provided by Caltech, Pasadena, California
Astronomy.com - 2008 Dec 05