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Rock Creek ParkBoulder Bridge
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Rock Creek Park
Management
 
Adrienne Coleman, Superintendent
3545 Williamsburg Lane NW
Washington, D.C. 20008-1207
 
Andromeda Galaxy  

Did You Know?
The Andromeda Galaxy (M31) at about 2.5 million light years from the earth is the farthest object visible to the naked eye. You can learn more amazing astronomy facts at the only planetarium in the NPS in Rock Creek Park.
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Last Updated: April 03, 2008 at 11:36 EST