11 September 2019
First detection of atmospheric water vapour on 'super-Earth' in habitable zone
... time, K2-18 b was also discovered to have a sibling – K2-18 c. Like its bigger neighbour, K2-18 c is also a super-Earth, with a mass about 7.5 times that of Earth, but the planet is closer to its star than K2-18 b, and probably too hot to be in the...
19 May 2017
Exoplanets galore and possibly the next Trappist-1 system?
...two separate teams using the same instrument have found 20 super-Earth to Neptune-mass planets in one search, while the... astronomers observe. The international team that detected 20 super-Earth and Neptune-mass exoplanets analysed data from 8 multi...
19 October 2020
Astronomers identify a true water-world that could have an ocean over 100 kms deep
... inner planet, LHS1140c was found to whizz around its host star in just 3.8 days, LHS1140b, turned out to be a super-Earth with an orbital period of around 24 days, placing it just inside the habitable zone. LHS1140b’s characteristics and location...
17 April 2020
A six-planet system is discovered and more could be hiding say astronomers
... of light over a specific portion of the electromagnetic spectrum and it has been used to search for Neptunes and super-Earths in the Northern Hemisphere since 2011. Although SOPHIE might be relatively new, the observatory it is housed at – the Haute...
03 July 2019
New study reveals detailed exoplanet atmosphere
... Gliese 3470 b (also known as GJ 3470 b), is a sub-Neptune/Super-Earth hybrid exoplanet weighing in at 12.6 Earth masses. It is more massive than Earth, but less massive than Neptune, which is more than 17 Earth masses, and its has a large rocky core...
15 February 2021
Possible planet found in habitable zone around Alpha Centauri
...in the mid-infrared may have just found a super-Earth-sized exoplanet around Alpha Centauri, the nearest star system...the portion of the electromagnetic spectrum in which temperate Earth-like planets shine brightly in thermal emission. Infrared thermal...
