Artist depiction of the Aquarius/SAC-D satellite observatory 657 km (408 miles) above Earth's surface. A collaboration between the space agencies of the U.S. and Argentina, Aquarius/SAC-D was launched from Vandenberg Air Force Base on June 10, 2011.
NASA
<a rel="nofollow" class="external free" href="http://aquarius.umaine.edu/cgi/gal_images.htm?id=3">http://aquarius.umaine.edu/cgi/gal_images.htm?id=3</a> (<a rel="nofollow" class="external text" href="http://aquarius.umaine.edu/images/bht.jpg">image source</a>)