green comet - ProtoThema English

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Dec 2025

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How to watch the rare green comet whiz past Earth tonight

The green comet C/2022 E3 ZTF will make its closest approach to Earth since the age of the Neanderthals

February 1, 2023

Now’s the best time to see the green comet passing Earth for the first time since the Ice Age

Here's how, where, and when to see it