Science ❯ Planetary Science ❯ Rocky Planets

Super-Earths

GJ 251 c GJ 251 System TOI-561 b Ultra-Hot Exoplanets

Webb Data Point to Thick Atmosphere on Ultra‑Hot Super‑Earth TOI‑561 b

A cooler‑than‑expected dayside measured by Webb’s NIRSpec points to heat redistribution by a volatile envelope over a global magma ocean.

Webb Data Point to Thick Atmosphere on Ultra‑Hot Super‑Earth TOI‑561 b

Scientists Detect Habitable-Zone ‘Super‑Earth’ GJ 251 c Just 18 Light‑Years Away