Comet that hasn’t been seen for 80K years will be visible in the night sky. Here’s how to spot it
In 2023, a green comet that last visited Earth 50,000 years ago zoomed by the planet again. Other notable flybys included ...
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Great Comets of the 1990s
The small photos of Comet Hyakutake and Comet Hale-Bopp in the initial color astrophoto montage do not do them justice. Here they have been reprocessed for a larger display. The photo of Comet ...