Kepler-138

Autors(-i): SevenSpheres adios

Izlaišanas datums:

Pēdējoreiz atjaunināts:

Kepler-138, also known as KOI-314, is a red dwarf star about 219 light-years away in the constellation Lyra, which hosts four known planets. Kepler-138 c & d are both about 1.5 times the size of Earth; they were originally estimated to have very different masses and densities, but were found in 2022 to be similarly low-density, volatile-rich "ocean worlds". Kepler-138 b is the second-least massive exoplanet with a measured mass, between that of Mars and Mercury, and also has a low density, though it's certainly rocky given how small it is. Kepler-138 e is almost half the mass of Earth; it was discovered through transit timing variations of the other planets, and is the least massive exoplanet found by this method.

Palīdziet mums tulkot šo lapu šeit.

Atvērt programmā Celestia (ieteicams) vai Lejupielādēt

Kā instalēt papildinājumus? Uzziniet šeit.