Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.
When you buy through links on our articles, Future and its syndication partners may earn a commission. Planetary scientists are split, oscillating between two main theories that explain the order in ...
Add Yahoo as a preferred source to see more of our stories on Google. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky ...
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Astronomers spot a solar system that by all logic should not exist
Astronomers have found a compact solar system whose planets line up in a way that, according to current models, should not be possible. Around the small star LHS 1903, a dense rocky world orbits on ...
A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.
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