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The Hydrogen Clouds of M33
Gorgeous spiral galaxy M33 seems to have more than its fair share of glowing hydrogen gas.
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M31: The Andromeda Galaxy
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The Large Cloud of Magellan
It is the most massive of the Milky Way's satellite galaxies.
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Messier 61 Close Up
Image data from the Hubble Space Telescope, the European Southern Observatory, and small telescopes on planet Earth are combined in this magnificent portrait of face-on spiral galaxy Messier 61 (M61).
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Nearby Spiral Galaxy NGC 4945
Large spiral galaxy NGC 4945 is seen edge-on near the center of this cosmic galaxy portrait.
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Animation: Spiral Disk around a Black Hole
What would it look like to orbit a black hole?
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Arp 87: Merging Galaxies from Hubble
This dance is to the death. Along the way, as these two large galaxies duel, a cosmic bridge of stars, gas, and dust currently stretches over 75,000 light-years and joins them.
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Rumors of a Dark Universe
Twenty-one years ago results were first presented indicating that most of the energy in our universe is not in stars or galaxies but is tied to space itself.
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IC 1795: The Fishhead Nebula
To some, this nebula looks like the head of a fish.
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Zodiacal Road
What's that strange light down the road?
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