The Conversation

Earth's other 'moon' and its crazy orbit could reveal mysteries of the solar system

25-02-2015 Author: The Conversation

Cruithne's wacky orbit around the sunYouTube, CC BY-SA

We all know and love the moon. We’re so assured that we only have one that we don’t even give it a specific name. It is the brightest object in the night sky, and amateur astronomers take great delight in mapping its craters and seas. To date, it is the only other heavenly...

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