Amateur astronomers take footage of rare double aurora
Amateur astronomers have been capturing stunning images of double auroras, or “aurora borealis”, for years. But until now, nobody has been able to unlock their secrets. What is a double…
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A star-disk-born cloud in a vastly large galaxy is the birth of all-star matter.
The Milky Way is a galaxy, and galaxies are made up of billions of stars. And in the center of each galaxy, there’s a big bulge – essentially, a giant…
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