2017-05-31, 01:10
'Halos' discovered on Mars widen time frame for potential life
Lighter-toned bedrock that surrounds fractures and comprises high concentrations of silica--called "halos"--has been found in Gale crater on Mars, indicating that the planet had liquid water much longer than previously believed.
http://feeds.sciencedaily.com/~r/science...121930.htm
Lighter-toned bedrock that surrounds fractures and comprises high concentrations of silica--called "halos"--has been found in Gale crater on Mars, indicating that the planet had liquid water much longer than previously believed.
http://feeds.sciencedaily.com/~r/science...121930.htm