Betelgeuse is about 700 times the size of the sun. In 2019, a powerful plume rose up from inside it, NASA has hypothesized, and blasted off a chunk of the star’s outer layer. 🔭🌟💥
Some day, Betelgeuse will collapse and explode outward with tremendous force. When Sir Patrick Moore, the late president of the British Astronomical Association, would step outside on a cold, clear night, he’d look up at the sky and take up his usual vigil.
, “to make sure that Betelgeuse is still there in its familiar guise!” Betelgeuse, located on the huntsman’s shoulder, takes its name from an Arabic term that means the “giant’s shoulder,” and the unpredictable supergiant star has always inspired watchfulness. While stars often exude stability for millions of years, this one is notorious for its fits of dimming, brightening, flaring and otherwise puzzling astronomers.Betelgeuse is a massive star, about 700 times the size of the sun. In 2019, a powerful plume rose up from inside it, NASA has hypothesized, and blasted off a chunk of the star’s outer layer. The ejected material, which weighed several times as much as our moon, cooled out in space, where it blocked light from reaching earth and darkened Moore’s star dramatically in what became known as. Backyard observers around the world noticed the change, which lasted a few months. After its dramatic vomiting, Betelgeuse fell into a period of turbulence expected to continue for at least another year or two. Its internal convection cells, which normally drive its characteristic brightening and dimming, are now sloshing around like an unbalanced washing machine,. On the uppermost level, the scarred surface is bouncing around “like a plate of gelatin dessert.” The sun has often ejected small amounts of material in a similar fashion, called a coronal mass ejection , but the Betelgeuse belch was 400 billion times larger than the average CME.In more recent years, the star has traded in its steady, 400-day cycle of glaring and quieting for something much shorter and more spasmodic. Brightening in recent weeks has even
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