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Sand Dunes Thawing on Mars
What are these strange shapes on Mars?
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The Longer Days
This persistent six month long exposure compresses the time from solstice to solstice (December 21, 2018 to June 16, 2019) into a single point of view.
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Astronomy Picture of the Day: Perseid Fireball and Persistent Train
Before local midnight on August 12, this brilliant Perseid meteor flashed above the Poloniny Dark Sky Park, Slovakia, planet Earth. Streaking beside the summer Milky Way, its initial color is likely due to the shower meteor's characteristically high
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Astronomy Picture of the Day: The Milky Way over the Seven Strong Men Rock Formations
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