Planets larger than Earth but smaller than Neptune are the most common kind in the galaxy, but because our solar system lacks such a planet, scientists don’t know much about how they form. Astronomers ...
New Scientist on MSN
Super-low-density worlds reveal how common planetary systems form
Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...
Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...
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