A rare green comet will pass by Earth


A rare green comet [Comet C/2022 E3 (ZTF)] is expected to pass by Earth this week and to be visible in the night sky for nearly a month, according to NASA and astronomers. Since its discovery, it has brightened significantly and might be bright enough to see with the naked eye as it passes by the constellation Corona Borealis. It will have its closest approach to the sun, or perihelion, on Jan. 12, being 26 million miles away from Earth. Scientists believe this comet was last visible some 50,000 years ago in the Upper Paleolithic Era. It may not come near Earth again.


You can also watch the comet in a free livestream from the Virtual Telescope Project on their YouTube channel at 9 a.m. on Thursday.
“Comets are notoriously unpredictable, but if this one continues its current trend in brightness, it’ll be easy to spot with binoculars, and it’s just possible it could become visible to the unaided eye under dark skies,” NASA wrote on its blog.


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