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Daily Archives: September 15, 2011

 
15
Sep 2011

Pale Beige Dot

POSTED BY: ARIELANBAR
 
“Follow the water” has been the mantra in the search for habitable worlds for a long time. Searching for signs of ancient water was the primary goal of NASA’s Mars Exploration Rover mission. Europa’s suspected subsurface ocean leads some to wonder if it could harbor microbial life. In searching for life beyond our Solar System, there is great interest in “ocean planets” that could have vast surface seas. Now, researchers suggest that inhabited desert planets – like the fictional Arrakis....
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15
Sep 2011

Mars as the Abode of Life

POSTED BY: S. DOMAGAL-GOLDMAN
 
This is the first in a series on the history of our understanding of Mars. Is Mars Habitable? At the start of the twentieth century, Percival Lowell was making observations of Mars and writing books claiming that the red planet harbored an intelligent civilization. The last in this series is where I got the title of this post: “Mars as the Abode of Life.” This was the most thorough of Lowell’s publications on the subject, and included arguments as to....
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15
Sep 2011

An Intelligent Man Asks Intelligent Questions About Intelligence

POSTED BY: ARIELANBAR
 
Stephen Hawking, one of the most intelligent humans, wonders why we haven’t yet encountered intelligent aliens.
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15
Sep 2011

When Is A Star Not Quite A Star? There it is!

POSTED BY: ARIELANBAR
 
When it is a brown dwarf.
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15
Sep 2011

Earth 2.0?

POSTED BY: ARIELANBAR
 
A new study suggests that a rocky planet orbiting a star 36 light years away – not far at all by cosmic standards – could be habitable. This world is about 3.6 times more massive than the Earth and sits within the “habitable zone” of its sun. Pretty neat finding by Lisa Kaltenegger and colleagues.
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