LHS 1140 is a red dwarf star in the constellation of Cetus. Based on stellar parallax measurement, it is 48.8 light-years away from the Sun. 'LHS' refers to the Luyten Half-Second Catalogue of stars w
Artist's impression of LHS 1140 b and its host star.
Size comparison of the two known planets of LHS 1140 (artistic concept) with Earth
PIA21423 Surface of TRAPPIST 1f
TRAPPIST-1 is a red dwarf star with seven known exoplanets. It lies in the constellation Aquarius approximately 40.66 light-years away from Earth. An ultra-cool dwarf, it has a surface temperature of
LHS 1140
…super-Earth and the relatively small and nearby host star make this system one of the most promising known for atmosphere studies, along with the TRAPPIST-1 system. Observations by the Hubble Space Telescope in 2020 found signs of water vapor in the planet's atmosphere, but this has not been confirmed. Later…
True-colour illustration of the Sun (left) next to TRAPPIST-1 (right). TRAPPIST-1 is darker, redder and smaller than the Sun.
Comparison of the orbits of the TRAPPIST-1 planets with the Solar System and Jupiter's moons
Relative sizes, densities and illumination of the TRAPPIST-1 system compared to the inner planets of the Solar System
Habitable zones of TRAPPIST-1 and the Solar System. The displayed planetary surfaces are speculative.