CAPE CANAVERAL, Fla.—A comet is streaking back our way after 50,000 years.
The dirty snowball will come within 26 million miles (42 million kilometers) of Earth Wednesday before speeding away again, unlikely to return for millions of years.
Green Comet Zooming Our Way, Last Visited 50,000 Years Ago
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Comet C/2022 E3 (ZTF) on Dec. 19, 2022. Dan Bartlett via AP
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