Science
Astronomers Find an Atmosphere on a Nearby Earthlike Planet
Key Points
An artist’s concept of the exoplanet LHS 1140b, surrounded by a helium-rich atmosphere. Another rocky planet orbits the same cool red dwarf star in the distance.
An artist’s concept of the exoplanet LHS 1140b, surrounded by a helium-rich atmosphere. Another rocky planet orbits the same cool red dwarf star in the distance.