Measuring the Masses and Diameters of the TRAPPIST-1 Planets
Credit: NASA/JPL-Caltech/R. Hurt (IPAC)
Artwork • January 28th, 2021 • ssc2021-02a
ssc2021-02a
Measuring the mass and diameter of a planet reveals its density, which can give scientists clues about its composition. Scientists now know the density of the seven TRAPPIST-1 planets with a higher precision than any other planets in the universe, other than those in our own solar system
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TRAPPIST-1
About the Object
- Name
- TRAPPIST-1
- Type
- Planet > Type > Terrestrial
- Star > Spectral Type > M
- Distance
- 40 Light Years
