Newly identified 'quasi-moon' will shadow Earth's orbit until 2083

WBUR | By Here & Now Newsroom

Published October 22, 2025 at 8:54 AM PDT

Earth only has one true moon, but astronomers have identified a handful of asteroids they call “quasi-moons” because they appear to mimic the moon’s behavior.

Here & Now‘s Peter O’Dowd speaks with Kelly Beatty, senior editor at Sky & Telescope Magazine.

This article was originally published on WBUR.org.

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