Webb Space Telescope Reveals Rare Planet Pair That Shouldn’t Exist
The planetary odd couple of a mini-Neptune and hot Jupiter probably formed out beyond its star’s “frostline,” in…
A Single Power Law For The TRAPPIST-1 Flare Distribution Across Four Orders Of Magnitude In Energy
Cumulative flare-frequency distribution of TRAPPIST-1. The cumulative occurrence rate ν(≥ ETESS) is shown as a function of TESS-band…
NASA’s Webb Space Telescope Reveals a Dark Airless Super-Earth That Looks Like Mercury
A blazing exoplanet has been revealed as a dark, airless world with a surface unlike Earth’s. Instead of…
Stellar Eclipses Observed By TESS Shed Light On Possible New Worlds
A gas giant planet looms in the foreground at right, illuminated by a pair of stars, in this…
Astronomers Spot Dozens of Potential ‘Tatooine’ Worlds
The existence of circumbinary planets — exoplanets that orbit binary stars — has only been firmly established over…
Horizontal Transport As A Source Of Disequilibrium Chemistry On The Nightside Of A Hot Exoplanet
NGTS-10 b is a gas giant exoplanet that orbits a K-type star. Its mass is 2.162 Jupiters, it…
Asteroseismic Modelling Of Main-sequence Solar-like Stars And Kepler Exoplanet Host Stars With The FICO Procedure I. Catalogue Of Fundamental Stellar Properties
Hertzsprung-Russell diagram of the stellar catalogue. The Sun is shown as a reference and the letters stand for…
PEEPSS: Photonic-Enabled ExoPlanet Spectroscopic Sensor for the Habitable Worlds Observatory
The complete proposed wavefront sensing process. (Starting from the top left and going around clockwise) The full coronagraph…
Why Most Alien Worlds May Be Too Dry for Life
This image of Venus taken by NASA’s Mariner 10 spacecraft (left) is paired with an artist’s depiction of…
Webb Space Telescope Uncovers Unexpected Ice Clouds on a Jupiter-Like World
Artist’s impression of the planet Epsilon Indi Ab, with water clouds atop its ammonia-dominated atmosphere. Credit: E. C.…
Most Close Pairs of Stars Are Born as Cosmic Twins
An artist’s rendition of pair of twin stars being born in the HOPS-312 system in Orion. Credit: NSF/AUI/NSF…
Webb Spots Icy Clouds on Distant Jupiter-Like Exoplanet
Using the NASA/ESA/CSA James Webb Space Telescope, astronomers have detected water-ice clouds swirling through the atmosphere of Epsilon…