LHS 1140 b is an exoplanet orbiting within the conservative habitable zone of the red dwarf LHS 1140. Discovered in 2017 by the MEarth Project, [1] LHS 1140 b is about 5.6 times the mass of Earth and about 70% larger in radius, putting it within the super-Earth category of planets.

Mar 28, 2025 · LHS 1140 b is a super Earth exoplanet that orbits a M-type star. Its mass is 5.6 Earths, it takes 24.7 days to complete one orbit of its star, and is 0.0946 AU from its star. Its discovery was announced in 2017.

Jul 8, 2024 · Dubbed LHS 1140 b, the exoplanet orbits a red dwarf star about a fifth the size of the sun and sits 48 light-years away from Earth in the constellation Cetus which, as luck would have it,...

Artist's impression of LHS 1140 and LHS 1140b. LHS 1140 is a red dwarf in the constellation of Cetus. Based on stellar parallax measurement, it is 48.8 light-years (15.0 parsecs) away from the Sun. [1] 'LHS' refers to the Luyten Half-Second Catalogue of stars with proper motions exceeding half a second of arc annually. [5] .

Jan 11, 2024 · The planet in question, called LHS 1140b, orbits in the habitable zone of a small, dim star called LHS 1140 that lies in the constellation Cetus. The exoplanet was discovered in 2017 and has...

New Mass and Radius Constraints on the LHS 1140 Planets: LHS 1140 b Is either a Temperate Mini-Neptune or a Water World Cadieux et al. 2024 | Reference Overview ExoClock Project.

The MEarth Project is delighted to announce the discovery of LHS 1140b, a rocky planet 1.4 times the size of the Earth.

Jul 8, 2024 · In our search for liquid water beyond the Solar System, the temperate exoplanet LHS 1140b is the most promising exoplanet in the habitable zone yet discovered. It is 1.7 times the size of planet Earth (right) and could be a world entirely covered in ice (left), like Jupiter's moon Europa, or an icy world with a subsurface liquid ocean and a ...

Jul 9, 2024 · LHS 1140b is the second-closest temperate transiting exoplanet to Earth with a temperature low enough to support surface liquid water. LHS 1140b may be a world completely covered in ice (left) similar to Jupiter’s moon Europa or be an ice world with a liquid ocean and a cloudy atmosphere (center).

Jan 3, 2024 · The two-planet transiting system LHS 1140 has been extensively observed since its discovery in 2017, notably with Spitzer, HST, TESS, and ESPRESSO, placing strong constraints on the parameters of the M4.5 host star and its small temperate exoplanets, LHS 1140 b and c.