Milky Way Mapping Project Finds Surprisingly Slow Stars

On Earth, making a map is as easy as taking aerial photographs or surveying a patch of land on foot. In contrast, mapping the Milky Way galaxy is a tremendous challenge. The distances are too large to travel, making bird's-eye views or direct surveys impossible.

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<p><a href="http://www.physorg.com/news131721039.html">Milky Way Mapping Project Finds Surprisingly Slow Stars</a></p> <p>On Earth, making a map is as easy as taking aerial photographs or surveying a patch of land on foot. In contrast, mapping the Milky Way galaxy is a tremendous challenge. The distances are too large to travel, making bird's-eye views or direct surveys impossible.</p>