2 days ago · A possible “super-Earth” orbits a relatively close, Sun-like star, and could be a habitable world – but one of extreme temperature swings, from scorching heat to deep freeze. Key Facts. The newly confirmed planet is the outermost of three detected so far around a star called HD 20794, just 20 light-years from Earth. Its 647-day orbit is ...

A Super-Earth or super-terran or super-tellurian is a type of exoplanet with a mass higher than Earth, but substantially below those of the Solar System's ice giants, Uranus and Neptune, which are 14.5 and 17.1 times Earth's, respectively. [1]

1 day ago · The newly discovered planet, GJ 3998 d, is a super-Earth with a mass 6 times larger than that of the Earth. It resides in the optimistic habitable zone of its star and completes an orbit once every 41.8 days. At this distance, GJ 3998 d gets just 20% more stellar insolation compared to what Earth receives by the Sun.

Mar 7, 2025 · The newly discovered planet, HD 20794 d, is a super-Earth with a mass six times that of Earth. It takes 647 days to complete one orbit around its star — about 40 days less than Mars ’ orbit around the Sun. This orbit places it within the star’s habitable zone, meaning it is at a distance where liquid water could potentially exist on its ...

Jan 31, 2024 · A newly discovered 'super-Earth' dwells in the habitable zone of its parent star – and might have a roughly Earth-sized companion. This illustration shows one way that planet TOI-715 b, a super-Earth in the habitable zone around its star, might appear to a nearby observer.

Feb 8, 2024 · Astronomers used NASA’s planet-hunting TESS satellite to find a “super-Earth” as well as a possible Earth-size planet, both orbiting a star 137 light-years away.

Mar 28, 2024 · In a study published today in The Astrophysical Journal, scientists provide the most compelling evidence so far that a planet has this feature 1, called tidal synchronization or 1:1 tidal locking....

Sep 29, 2024 · Researchers using NASA’s TESS data have not found super-Earth around low-metallicity stars, challenging previous theories and suggesting that super-Earth formation may have been impossible due to a lack of heavy elements in the early stages of cosmic history.

Oct 28, 2024 · Super-Earths – a class of planets unlike any in our solar system – are more massive than Earth yet lighter than ice giants like Neptune and Uranus, and can be made of gas, rock or a combination of both. They are between twice …

2 days ago · The newly discovered system, named K2-360, is located approximately 750 light-years from Earth. It consists of two planets orbiting a star similar to our Sun: K2-360 b: An ultra-short period "super-Earth" - a rocky planet larger than Earth but smaller than Neptune - about 1.6 times the size of Earth, orbiting its star every 21 hours.