See the explosive 'devil comet' get its tail ripped off by a solar storm days before its close approach to the sun

The explosive "devil comet" has been blasted by a gigantic plasma wave from the sun, which temporarily blew away its dusty tail. A NASA spacecraft captured the epic encounter in a new video, which also features a cameo of a distant Jupiter.  

Comet 12P/Pons-Brooks (12P) is a green cryovolcanic comet with a nucleus measuring 10.5 miles (17 kilometers) across. It occasionally erupts, shooting an icy mixture of gas and dust into the solar system whenever it soaks up too much of the sun's radiation. When this happens, its coma — the cloud of particulates that surrounds the nucleus — expands and becomes much brighter. In the past, this bright cloud has been misshaped from within, giving the comet a "pair of horns" that earned it its sinister nickname. However, these horns have been absent from recent outbursts.

12P orbits the sun once roughly every 71 years on a highly elliptical, or stretched, trajectory. As a result, the comet spends most of its life in the outer reaches of our cosmic neighborhood, out of sight from our telescopes. However, it is currently making its last dash toward the sun and will reach its closest point to our home star, known as perihelion, on Sunday (April 21). It will then slingshot around our home star and back out toward the edge of the solar system — if it isn't first burned up by the close encounter.

On April 12, the comet was bashed by a massive cloud of plasma known as a coronal mass ejection (CME) that exploded from the sun without warning, Spaceweather.com reported. The incident triggered a disconnection event, in which the comet's dusty tail was temporarily blown away by the solar storm before later regrowing. 

NASA's Solar Terrestrial Relations Observatory A (STEREO-A) spacecraft, which has been keeping a close eye on the comet as it nears perihelion, caught the plasma bombardment in a striking video. In the new footage, 12P appears to be moving close to Jupiter (even though the two bodies are millions of miles apart) before the CME billows toward them and strips the comet of its tail.

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Disconnection events are rare but become more likely the closer a comet gets to the sun. A similar thing happened to Comet Nishimura in September 2023, when a CME blew away the comet's tail as it slingshotted around the sun — just like 12P will do this week. And in January 2023, an astrophotographer captured time-lapse footage of the same thing happening to the green comet C/2022 E3.