Many people think Polaris is the brightest star, but it's only 50th in brightness. Still, Polaris is famous because the entire northern sky wheels around it.
Arcturus is the brightest star north of the celestial equator. Near the handle of the Big Dipper, it's easy to find in spring in the Northern Hemisphere.
May 15, 1836: Francis Baily, an English astronomer, saw light shining through lunar ridges during an eclipse of the sun. These are now known as Baily's beads.
Apophis' flyby in March 2021 enabled astronomers to conclude there's no chance this asteroid will strike Earth anytime soon. The next flyby will be in 2029.
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