<p>NASA video release September 23, 2010
</p><p>To view this entire video or to download this video go to: &lt;a href="<a rel="nofollow" class="external free" href="http://www.nasa.gov/topics/solarsystem/features/dust-model.html">http://www.nasa.gov/topics/solarsystem/features/dust-model.html</a>" rel="nofollow"&gt;www.nasa.gov/topics/solarsystem/features/dust-model.html&lt;/a&gt;
</p><p>Dust ground off icy bodies in the Kuiper Belt, the cold-storage zone that includes Pluto and millions of other objects, creates a faint infrared disk potentially visible to alien astronomers looking for planets around the sun. Neptune's gravitational imprint on the dust is always detectable in new simulations of how this dust moves through the solar system. By ramping up the collision rate, the simulations show how the distant view of the solar system might have changed over its history.
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<a rel="nofollow" class="external text" href="https://www.flickr.com/people/24662369@N07">NASA Goddard Space Flight Center</a> from Greenbelt, MD, USA
2010-09-24 10:50
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/gsfc/5020448631/">Dust Simulations Paint Alien's View of the Solar System [HD Video]</a>