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Distant planets

A new view of the Whirlpool Galaxy, one of the two largest and sharpest images Hubble Space Telescope has ever taken, is released by NASA on Hubble's 15th anniversary April 25, 2005. The new Whirlpool Galaxy image showcases the spiral galaxy's curving arms where newborn stars reside and its yellowish central core that serves as home for older stars. During the 15 years Hubble has orbited the Earth, it has taken more than 700,000 photos of the cosmos. (CREDIT : REUTERS/NASA/Handout)

Dazzling distant galaxies

An artistic sampling of some far-away worlds.