Pursuit of happiness
July 4, 2007: Happy birthday, America!
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Hubble image: Red, white & blue of galaxy NGC 4449, 12.5 million light-years away, where "stellar 'fireworks' are going off all the time." (Released yesterday, this Independence Day offering was actually taken in November 2005 with Hubble's Advanced Camera for Surveys.) (NASA / ESA / STScI)