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This System Reveals How Super-Earths Are Born

One of the best things about being able to see thousands of exoplanetary systems is that we’re able to track them in different stages of development. Scientists still have so many questions about how planets form, and comparing notes between systems of different ages is one way to answer them. A new paper recently published in Nature by John Livingston of the National Astronomical Observatory of Japan and his co-authors details one particularly interesting system, known as V1298, which is only around 30 million years old, and hosts an array of four “cotton candy” planets, which represent some of the earliest stages of planet formation yet seen.

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