Search by tag: « atmosphere »

19 articles found

How Ancient Martian Rocks May Have Helped Water Flow on its Surface

17/04/2025 Reading 3 min

Source de l'article : SETI Institute
How Ancient Martian Rocks May Have Helped Water Flow On Its Surface
A new hypothesis from SETI Institute scientist Dr. Janice Bishop and Dr. Melissa Lane from Fibernetics in Pennsylvania could explain how early Mars may have had water on its surface, similar to Earth, even though today its atmosphere is too thin to support liquid water. Bishop and Lane suggest underground water could have formed clays and carbonates billions of years ago – either through subsurface reactions with rocks or precipitation from saturated pore waters. Later, salty, acidic water at t…
Janice Bishop Carbonate Dioxide Siderite Atmosphere Mars
James Webb Space Telescope detects quartz crystals in an exoplanet's atmosphere
Keith Cooper

16/10/2023 Reading 4 min

Source de l'article : Space.com
James Webb Space Telescope Detects Quartz Crystals In An Exoplanet's Atmosphere
Almost twice as big (but half as massive) as Jupiter, WASP-17b burns at a temperature of 1,500 degrees Celsius.
Jwst Exoplanet Wasp-17b James Webb Atmosphere Jupiter
How James Webb Space Telescope's studies of TRAPPIST-1 flares could aid the search for alien life
Robert Lea

10/10/2023 Reading 4 min

Source de l'article : Space.com
How James Webb Space Telescope's Studies Of Trappist-1 Flares Could Aid The Search For Alien Life
The James Webb Space Telescope scrutinized four powerful flares from the red dwarf star at the heart of the TRAPPIST-1 system, decrypting them in a way that could help the search for alien life.
Jwst Dwarf Star Exoplanet Trappist-1 Life Atmosphere
This TRAPPIST-1 exoplanet seems to have no atmosphere — the truth may hide in its star
Keith Cooper

26/09/2023 Reading 4 min

Source de l'article : Space.com
This Trappist-1 Exoplanet Seems To Have No Atmosphere — The Truth May Hide In Its Star
The findings also corroborate earlier reports that TRAPPIST-1b lacks a thick, hydrogen atmosphere.
Atmosphere Trappist-1b Planet Trappist-1 Star Spectrum
Exoplanet's surface may be covered in oceans
Robert Lea

11/09/2023 Reading 6 min

Source de l'article : Space.com
Exoplanet's Surface May Be Covered In Oceans
The so-called Hycean planet K2–18 b is around twice the size of Earth and orbits in the habitable zone of a star located 120 light-years from our solar system.
Exoplanet University Of Cambridge K2-18 B. K2-18 Trappist-1 Atmosphere Life
Star blows giant exoplanet's atmosphere away
Robert Lea

05/09/2023 Reading 6 min

Source de l'article : Space.com
Star Blows Giant Exoplanet's Atmosphere Away
A hot Jupiter exoplanet is blowing its top like a cartoon character throwing a tantrum, creating a tail of gas that is the largest planetary structure seen outside the solar system.
Atmosphere Exoplanet Hat-P-32 Jupiter Parent Star System
Bizarre super-puffy exoplanet hosts rare 'thermometer molecule'
Robert Lea

29/08/2023 Reading 5 min

Source de l'article : Space.com
Bizarre Super-Puffy Exoplanet Hosts Rare 'Thermometer Molecule'
A rare temperature-sensitive molecule usually found in stars has been discovered in the atmosphere of an exoplanet for the first time, a marshmallow-like hot Jupiter called WASP-31b.
Exoplanet Chromium Hydride Wasp -17 Laura Flagg Atmosphere Team
Weird dark spot on Neptune may have a bright spot buddy
Keith Cooper

24/08/2023 Reading 5 min

Source de l'article : Space.com
Weird Dark Spot On Neptune May Have A Bright Spot Buddy
A puzzling bright smudge was captured clinging to this dark spot in Neptune’s atmosphere.
Neptune Spot Grs Patrick Irwin Atmosphere Hydrogen Sulfide
Exoplanets in the Trappist-1 system more likely to be habitable than scientists once thought
Tereza Pultarova

11/08/2023 Reading 6 min

Source de l'article : Space.com
Exoplanets In The Trappist-1 System More Likely To Be Habitable Than Scientists Once Thought
Exoplanets in the habitable zone of the Trappist-1 star, some 40 light-years away from Earth, are more likely to have liquid water than researchers previously thought, according to a new study.
Planet Atmosphere Franck Selsis Trappist-1 Water Life
Hubble telescope sees an angry star and an evaporating planet
Monisha Ravisetti

28/07/2023 Reading 7 min

Source de l'article : Space.com
Hubble Telescope Sees An Angry Star And An Evaporating Planet
Quite close to our solar system, an angry red dwarf star is terrorizing a misfortunate planet by ripping away the world's atmosphere.
Exoplanet 10 Hubble Keighley Rockliffe Mic Atmosphere
Metal clouds turn scorching hot exoplanet into the universe's largest mirror
Robert Lea

11/07/2023 Reading 5 min

Source de l'article : Space.com
Metal Clouds Turn Scorching Hot Exoplanet Into The Universe's Largest Mirror
The CHEOPS exoplanet hunter has found a distant world so hot that it has clouds of metal making it the most reflective planet ever seen.
Exoplanet Hunter Cheops Ltt 9779 James Jenkins Atmosphere Star
James Webb Space Telescope spies on rocky TRAPPIST-1 exoplanet
Samantha Mathewson

22/06/2023 Reading 4 min

Source de l'article : Space.com
James Webb Space Telescope Spies On Rocky Trappist-1 Exoplanet
New data from NASA's James Webb Space Telescope shows that the atmosphere of a rocky exoplanet in the TRAPPIST-1 system is either nonexistent or incredibly thin.
Trappist-1 Jwst Exoplanet Sebastian Zieba Atmosphere Max Planck Institute