National Geographic
The comet, which will be visible to the naked eye, orbits the sun roughly once every 80,000 years—the last time it passed Earth humans were just migrating out of Africa.
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The ‘comet of the year’ is coming soon. Here’s how to see it.
The comet, which will be visible to the naked eye, orbits the sun roughly once every 80,000 years—the last time it passed Earth humans were just migrating out of Africa.