Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...
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Hosted on MSNJupiter's Moon Callisto Probably Has an Ocean Under Its SurfaceIf there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...
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