K2-141b - Wikipedia
K2-141b (also designated EPIC 246393474.01) is a massive rocky exoplanet orbiting extremely close to a K Type orange main-sequence star K2-141. The planet was first discovered by the Kepler space telescope during its K2 “Second Light” …
K2-141 b - NASA Science
K2-141 b is a super Earth exoplanet that orbits a K-type star. Its mass is 4.97 Earths, it takes 0.3 days to complete one orbit of its star, and is 0.00747 AU from its star. Its discovery was announced in 2018.
Meet the hell planet with a magma ocean and rocky rain
2020年11月11日 · Exoplanet K2-141b is fiery hot world that circles so close to its star that 1 side of the planet features a deep ocean of molten lava. Meanwhile, the other side is freezing cold.
K2-141 | NASA Exoplanet Archive - California Institute of Technology
Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems.
Scientists discover bizarre hell planet where it rains rocks and …
2020年11月6日 · The sodium, silicon monoxide, and silicon dioxide on K2-141b evaporate into mineral vapor, which is carried to the dark side of the planet by supersonic winds that rage over 3,100 miles per hour.
Discovery alert! Iron-massive super Earth - NASA Science
2018年1月18日 · This planet takes only six hours to orbit its K-type star, a journey that takes Mercury 88 days, making it a hot inferno world! K2-141 b is denser than Earth because of its greater mass and its larger iron core. It also has a Neptune-size companion that takes about eight days to orbit the same star.
There are Planets So Close to Their Stars That They Have …
2020年11月16日 · With K2-141b’s gravity double that of Earth’s due to it being five times more massive, the planet could produce a magma ocean over 100km deep. The deepest regions of Earth’s water oceans are...
Meet K2-141b: The Hellish Exoplanet with Magma Oceans and …
2024年8月25日 · On November 3, 2020, an international team of researchers revealed the existence of a planet that defies imagination. K2-141b, this Earth-sized exoplanet—about 202 light-years away in the constellation Aquarius—offers a glimpse into an environment far more extreme than any in our solar system.
K2-141b: The 'hell planet' with magma oceans, rock rain, 3K mile …
2020年11月6日 · There’s a planet that might just resemble hell, littered with a miles-deep magma ocean. It’s known as K2-141b, a “lava planet” that revolves so closely around its host star that its surface is,...
K2-141 b. A 5-M ⊕ super-Earth transiting a K7 V star every 6.7 h
We report on the discovery of K2-141 b (EPIC 246393474 b), an ultra-short-period super-Earth on a 6.7 h orbit transiting an active K7 V star based on data from K2 campaign 12.