Exoplanet Radio Ep. 25: Trillions of Worlds Without Stars

The 365 Days of Astronomy

From August 23, 2023.

Astronomers estimate that there are more free roaming planets in our galaxy than there are planets in orbit around stars. In fact, rogue exoplanets - planets with no star whatsoever - far outnumber all other planets in our galaxy, by 20 times. Trillions of worlds wandering alone.

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