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The Perseids
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Millions of Stars in Omega Centauri
Globular star cluster Omega Centauri, also known as NGC 5139, is some 15,000 light-years away.
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Human as Spaceship
You are a spaceship soaring through the universe.
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Supernova Cannon Expels Pulsar J0002
What could shoot out a neutron star like a cannon ball?
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NICER at Night
Neutron star Interior Composition Explorer (NICER)
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Astronomy Picture of the Day: Geminids and Friends
From a radiant in the constellation of the Twins, the annual Geminid meteor shower rained down on our fair planet this week.
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Astronomy Picture of the Day: Flying Saucer Crash Lands in Utah Desert
A flying saucer from outer space crash-landed in the Utah desert after being tracked by radar and chased by helicopters.
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Astronomy Picture of the Day: Hyperion: Largest Known Galaxy Proto-Supercluster
How did galaxies form in the early universe?
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Astronomy Picture of the Day: Rings Around the Ring Nebula
There is much more to the familiar Ring Nebula (M57), however, than can be seen through a small telescope.
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Astronomy Picture of the Day: Complex Jupiter
How complex is Jupiter? NASA's Juno mission to Jupiter is finding the Jovian giant to be more complicated than expected.
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