A new theory could explain the origin and properties of systems of rocky super-Earths and their relationship with the terrestrial planets of the solar system. A new theory for how rocky planets form ...
A long-ago reshuffling of the giant planets in our solar system may have been instrumental in giving Earth its moon. For decades, planetary scientists have hypothesized that Jupiter, Saturn, Uranus ...
Uranus’ highly tilted axis makes it something of an oddball in our solar system. The accepted wisdom is that Uranus was knocked on its side by a single large impact, but new research rewrites our ...
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