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Lightning and Orion Beyond Uluru
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Mercury-Redstone 3 Launch
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M31: The Andromeda Galaxy
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Apollo 11 Launches Humans to the Moon
Everybody saw the Moon. Nobody had ever been there.
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4000 Exoplanets
Over 4000 planets are now known to exist outside our Solar System.
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Astronomy Picture of the Day: Phobos: Doomed Moon of Mars
This moon is doomed. Mars, the red planet named for the Roman god of war, has two tiny moons, Phobos and Deimos, whose names are derived from the Greek for Fear and Panic.
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Astronomy Picture of the Day: Apollo 12 Visits Surveyor 3
Apollo 12 was the second mission to land humans on the Moon.
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Astronomy Picture of the Day: Supernumerary Rainbows over New Jersey
Yes, but can your rainbow do this?
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Astronomy Picture of the Day: Equinox: Analemma over the Callanish Stones
Does the Sun return to the same spot on the sky every day at the same time? No.
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Astronomy Picture of the Day: Curiosity Vista from Vera Rubin Ridge
If you could stand on Mars -- what might you see? If you were NASA's Curiosity rover, just last month you would have seen the view from Vera Rubin Ridge, an intriguing rock-strewn perch on the side of Mount Sharp.
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