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This list of exoplanets discovered in 2021 is a list of confirmed exoplanets that were first observed in 2021. For exoplanets detected only by radial velocity, the listed value for mass is a lower limit. See Minimum mass for more information. Name. Mass ( MJ )
LHS 475 b is a terrestrial planet orbiting the star LHS 475 which is about 40.7 light years away, in the constellation of Octans. [2] [3] It was the first extrasolar planet to be confirmed by the James Webb Space Telescope. [4] It completes an orbit every 2 days and is 99% the diameter of Earth. It is also one of the most similar-to-Earth ...
NASA/JPL-Caltech/R. Hurt. A potentially habitable exoplanet that is roughly similar in size to Earth has been found in a system located 40 light-years away, according to a new study. The planet is ...
On 25 January 2021, a team led by astrochemist Tansu Daylan, with the help of two high school interns as part of the Science Research Mentoring Program at Harvard & MIT, discovered and validated four extrasolar planets — composed of one super-Earth and three sub-Neptunes - hosted by the bright, nearby, Sun-like star HD 108236.
Scientists have found a new Earth -like planet that could support alien life – just 40 light-years away. The planet is a remarkable discovery in the search for habitable worlds: it is slightly ...
On February 26, 2014, NASA announced the discovery of 715 newly verified exoplanets around 305 stars by the Kepler Space Telescope. The exoplanets were found using a statistical technique called "verification by multiplicity". 95% of the discovered exoplanets were smaller than Neptune and four, including Kepler-296f, were less than 2 1/2 the ...
Planet Nine is a hypothetical ninth planet in the outer region of the Solar System. Its gravitational effects could explain the peculiar clustering of orbits for a group of extreme trans-Neptunian objects (ETNOs), bodies beyond Neptune that orbit the Sun at distances averaging more than 250 times that of the Earth. These ETNOs tend to make ...
This is a list of exoplanets within the circumstellar habitable zone that are under 10 Earth masses and smaller than 2.5 Earth radii, and thus have a chance of being rocky. [3] [1] Note that inclusion on this list does not guarantee habitability, and in particular the larger planets are more unlikely to have a rocky composition. [4]