Green Matters on MSN
Experts are finally getting a look at how the universe builds its most common planets
A four-planet system reveals remarkable insights about how planets form and how they change during their lifetime.
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 ...
Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...
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