A comet not seen in 50,000 years is coming. Here's what you need to know

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On Feb. 1, comet C/2022 E3 (ZTF) will pass to within 28 million miles (42 million km) of our planet, its first visit in 50,000 years.

A comet not seen in 50,000 years is coming. Here's what you need to know : Read more