Imagine the Universe!
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An illustration of a variety of light curves

Examples of Light Curves and Models of Orbital Periods of Binary Systems
partial eclipse,total eclipse,tidal distortion

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

The Imagine Team
Acting Project Leader: Dr. Barbara Mattson
All material on this site has been created and updated between 1997-2012.

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