August 2020
Interstellar aspirations
... galactic plane. In addition, it will survey a million stars - most of the stars within 300 parsecs - for evidence of radio emissions in the... orbiting Proxima Centauri, the small red dwarf star in the nearby Alpha Centauri system. The planet orbits in...
May 2022
Essential guide to the James Webb Space Telescope
... exoplanets, focusing on characterising the atmospheres of small rocky worlds orbiting small, reddish M-dwarf stars. Although the most abundant type of star in our galaxy, they are notoriously violent, with frequent flares. Astronomers hope to learn...
17 April 2019
Proxima Centauri may host a second exoplanet, but its first might not be there
... are many hurdles to overcome to establish a genuine signal. “One of the challenges of observing transiting exoplanets around M-Dwarf stars are the very low geometric transit probabilities for exoplanets,” Feliz said. Transits can only be detected...
25 January 2021
Unique six-exoplanet system challenges theories of how planets form
... the skies for exoplanets in orbit around the brightest dwarf stars. To date, the planet hunter has found 98 confirmed... will be able to directly image rocky exoplanets in a star’s habitable zone and even characterise their atmospheres; a feature ...
18 April 2016
New Earth-like planet found in GJ 832 planetary system
...: PHL / UPR Arecibo. The central star in question is GJ 832, a main sequence red dwarf star (of a spectral type M1.5V) with a ...configuration may be residing between 0.25 - 2.0 AU from the star (just within the habitable zone) and that its upper mass...
09 February 2018
New research on rocky worlds helps identify Earth-like planets
...100 light years away in the Pisces constellation, shows that the star hosts a trio of planets that are all slightly larger than... week on the seven planets orbiting the nearby ultra-cool dwarf star TRAPPIST-1. A new study that has looked at the planets...
