
Green comet last seen 50,000 years ago to pass Earth
The comet will pass Earth on February 1 and was last seen during the Stone Age.
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The comet will pass Earth on February 1 and was last seen during the Stone Age.
Full ArticleThe comet, named C/2022 E3 (ZTF), has recently become bright enough to see with the naked eye in areas with minimal light pollution
The spectacular celestial object - which is comprised mostly of ice, gas, and carbon - hasn't passed the Sun since the stone age