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The Galileo spacecraft sent back this image of the Moon as it headed into the outer solar system. The distinct bright ray crater at the bottom of the image is the Tycho impact basin.

from Science and Nature

The Earth at Night - Nothing demonstrates population and wealth like the warm gl

cool The Earth at Night - Nothing demonstrates population and wealth like the warm gl...

from WIRED

Space Photo of the Day 2012

Purple Black Hole NASA's Chandra X-ray Observatory has discovered an extraordinary outburst by a black hole in the spiral galaxy M83, located about 15 million light years from Earth. Using Chandra, astronomers found a new ultraluminous X-ray source, or ULX. These objects give off more X-rays than most normal binary systems in which a companion star is in orbit around a neutron star or black hole. Image: NASA/CXC/Curtin University/R.Soria et al. [high-resolution] Caption: NASA