In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...
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A Rare Cosmic Event: Four Planets Aligning in the Sky This Month, Visible to MillionsA parade of planets is coming this January, but if you miss it, you can catch it in later months. Six planets in our solar ...
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