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![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/23/Geminga_by_Chandra_and_Spitzer.jpg/360px-Geminga_by_Chandra_and_Spitzer.jpg)
Geminga is a neutron star approximately 250 parsecs (around 800 light-years) from the Sun in the constellation Gemini. Geminga was the first example of an unidentified gamma-ray source. The Geminga image as seen by Chandra and Spitzer.