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  1. en.wikipedia.org › wiki › TRAPPIST-1TRAPPIST-1 - Wikipedia

    1 day ago · TRAPPIST-1 compared to the size of the Sun. TRAPPIST-1 is a late M dwarf with 0.0898 ± 0.0023 times the Sun 's mass. TRAPPIST-1 is only slightly larger than Jupiter and has a radius of 11.5% that of the Sun, similar to brown dwarfs and other low-mass stars. TRAPPIST-1 has an unusually low density for its kind of star.

    • 7.6±2.2 Gyr
    • 40.54 ± 0.06 ly, (12.43 ± 0.02 pc)
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