Seven Planets Orbiting the Ultracool Dwarf Star TRAPPIST-1 (IMAGE)

ESA/Hubble Information Centre

Seven Planets Orbiting the Ultracool Dwarf Star TRAPPIST-1

Caption

This is an artist's impression of the TRAPPIST-1 system, showcasing all seven planets in various phases. When a planet transits across the disk of the red dwarf host star, as two of the planets here are shown to do, it creates a dip in the star's light that can be detected from Earth.

Credit

NASA

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