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Back Seven planets orbiting the ultracool dwarf star TRAPPIST-1

Seven planets orbiting the ultracool dwarf star TRAPPIST-1


Date: 31 August 2017
Satellite: Hubble Space Telescope
Copyright: NASA

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.

Also during such transits astronomers are able to study the potential atmospheres of these planets.

Last Update: 1 September 2019
5-Mar-2026 22:51 UT

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