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Smithsonian Magazine on MSNCheck Out NASA's New Image of the Brilliant Bullseye Galaxy, the Aftermath of a Rare Cosmic CollisionAround 50 million years ago, a blue dwarf galaxy shot through the center of an enormous galaxy more than twice the size of ...
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One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'which captures the intensity of light from blue to red. Astronomers call a shift to longer wavelengths a redshift. It seemed that these redshifted galaxies were all moving away from the Milky ...
About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and NASA scientists have produced the most comprehensive survey of the Andromeda ...
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