Wobbling exoplanet hints at a hidden exomoon so massive it could redefine the word 'moon' altogether
That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...
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It Seems Absurd, But You Could Line Up Every Planet In The Solar System Between Earth And The Moon
Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with nothing but our eyes. Yet, that 238,855-mile gap between Earth and its lunar ...
The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...
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