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Green comet C/2022 E3: How to view the rare, Stone Age visitor from deep space


On Feb. 1, a bright-green comet named C/2022 E3 (ZTF) will make a close approach to Earth for the first time in 50,000 years. Swooping within 26 million miles (42 million kilometers) of our planet, the comet will offer a rare night-sky spectacle last seen when modern humans shared our planet with Neanderthals.

But you don’t have to wait until February for your chance to glimpse the comet; it is already visible in the late night and early morning sky. Stargazers have been following the comet’s path for weeks now and got a particularly good look at it on Jan. 12, when the comet made its closest approach to the sun (a phenomenon called perihelion).



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