Keith's note: NASA just issued a press release "Our Solar System and Beyond: NASA's Search for Water and Habitable Planets" for an event next week and included this graphic. Apparently she (NASA) is coming out of the celestial closet....
from NASA Watch http://ift.tt/1Inl1J8
via IFTTT
from NASA Watch http://ift.tt/1Inl1J8
via IFTTT
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