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    • Artist’s depiction of the TRAPPIST-1 planetary system.
    Rights: NASA/JPL-Caltech Published 20 March 2017 Size: 480 KB Referencing Hub media

    An artist’s depiction of what the TRAPPIST-1 planetary system may look like, using available information on the planets’ diameters, masses and distances.

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      ARTICLE

      How a Solar System is formed

      Our Solar System, and all other star systems, form from a collapsing nebula. Often called stellar nurseries, nebulae are the birthplace of stars. They are made up of mostly hydrogen but also ...

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