FROM JILL TARTER
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Scientists report on identification of clays and carbonate that formed on early Mars in a liquid water environment near a large impact basin. Coordinated analyses using multiple datasets were used to characterize the composition and stratigraphy of the region. A paper published online in April 2013 in the Journal of Geophysical Research highlights new mineralogic and geologic observations at a site called Libya Montes just south of the Isidis Basin on Mars.
Want to say hello to an ET? SETI scientists are here to help.
People in Seattle and other parts of the Northwest recently weighed in on what they would want to say to intelligent creatures from another planet.
A special episode of How On Earth with Dr. Seth Shostak, the Senior Astronomer at the SETI Institute.
From the site: "We’ve been listening for their tell-tale signal for 50 years with no luck, but Seth says that he’ll bet a cup of coffee we’ll hear from them in the next few decades. We explore what might happen if we find these brainy aliens or if we don’t find them at all. It’s part of the Conference on World Affairs."
The Hangout was recorded on Tuesday Apr. 9, 2013. You can still view the recorded discussion below at
http://live.huffingtonpost.com/r/segment/seti-extraterrestrial-life/5159ee17fe344451e9000550
