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Dark Matter

The Milky Way has two satellite galaxies, the Large and Small Magellanic Clouds. The orbits of these galaxies tells us that the mass in the halo around the Milky Way is 5 to 10 times greater than the mass we can see.

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Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Francis Marshall (Acting Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

The Imagine Team
Project Leader: Dr. Jim Lochner
Curator:Meredith Gibb
Responsible NASA Official:Phil Newman
All material on this site has been created and updated between 1997-2008.
Last Updated: Monday, 27-Sep-2004 11:26:11 EDT

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