Tag Archive for sub-Neptune

Astronomers have discovered two planets orbiting a bright dwarf star in the binary stellar system Gliese 414. An artist’s impression of the Gliese 414...

Astronomers using the Transiting Exoplanet Survey Satellite (TESS) have found four exoplanets — a hot super-Earth and three sub-Neptunes —...

Using data from NASA’s Kepler/K2 mission and several ground-based instruments, astronomers have discovered a planetary system with three transiting planets...

Using NASA’s Transiting Exoplanet Survey Satellite, the agency’s Spitzer Space Telescope and other facilities, astronomers have discovered a compact...

Sub-Neptunes — extrasolar planets with radii between 2.7 and 3 times that of Earth — are much more numerous than Neptune-sized and larger planets....

Astronomers are curious about the two recently-discovered classes of planets not found in the Solar System: the so-called super-Earths and sub-Neptunes,...

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a planetary system containing at least three small planets, orbiting...

NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered its third small exoplanet, named HD 21749b. The discovery will be reported in a paper...

The Kepler-223 multi-planet system is trapped in an orbital configuration that the Solar System’s four gas giants may have broken from in its early history,...