Astronomers have found a rocky planet where it should not exist, orbiting far from a cool red star. Could this strange ...
Most of our knowledge about the Solar System’s formation and evolution comes from the study of extraterrestrial rock samples called chondritic meteorites. These rocks, which are fragments of asteroids ...
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.
The discovery provides new insights into the question, 'how large can a planet be?' An illustration of the HR 8799 system with three of its gas ...
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