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Star Clusters M35 and NGC 2158
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A Sagittarius Triplet
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The Annotated Galactic Center
The center of our Milky Way galaxy can be found some 26,000 light-years away toward the constellation Sagittarius.
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IC 1805: The Heart Nebula
What energizes the Heart Nebula?
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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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Spitzer's Orion
Few cosmic vistas excite the imagination like the Orion Nebula!
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M27: Not a Comet
While hunting for comets in the skies above 18th century France, astronomer Charles Messier diligently kept a list of the things he encountered that were definitely not comets.
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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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1901 Photograph: The Orion Nebula
By the turn of the 20th century advances in photography contributed an important tool for astronomers.
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M16 Close Up
A star cluster around 2 million years young surrounded by natal clouds of dust and glowing gas, M16 is also known as The Eagle Nebula.
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