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Halley's Comet in 1986
Halley's Comet, 1910
jupiter and the moon 11/27/2012 photo: borge solverg northern norway
Kyanite on Quartz
the spirograph nebula
hubble: detailed image of the crab nebula
hubble: the orion nebula
hubble: largest galaxy portrait/the pinwheel galaxy
The Higgs Boson Explained by PHD Comics. For more videos and comics by Jorge Cham and Daniel Whiteson, visit www.phdcomics.com...
Messier 70 globular cluster
HubbleSite - NewsCenter - Hubble Discovers a Fifth Moon Orbiting Pluto (07/11/2012) - Release Images
Cassini does it again!