Recherche par tag: « Exoplanet »

73 articles trouvés

New 'warm Jupiter' exoplanet has a weird orbit and another planet may be to blame
Robert Lea

14/06/2023 Lecture 4 min

Source de l'article : Space.com
New 'Warm Jupiter' Exoplanet Has A Weird Orbit And Another Planet May Be To Blame
Astronomers have used NASA's TESS telescope to discover a new 'warm Jupiter' exoplanet with a strange orbit.
Jupiter Exoplanet Orbit Toi-1859 Star Team
4 elusive 'mini-Neptune' exoplanets discovered in a cosmic game of hide-and-seek
Robert Lea

14/06/2023 Lecture 5 min

Source de l'article : Space.com
4 Elusive 'Mini-Neptune' Exoplanets Discovered In A Cosmic Game Of Hide-And-Seek
Astronomers spotted four elusive mini-Neptune planets with the exoplanet-hunting telescope CHEOPS.
Mini-Neptune Exoplanets Exoplanet-Hunting Telescope Cheops Earth University Of Geneva
NASA's Kepler telescope discovered 2 mini-Neptune exoplanets just before dying
Sharmila Kuthunur

01/06/2023 Lecture 6 min

Source de l'article : Space.com
Nasa's Kepler Telescope Discovered 2 Mini-Neptune Exoplanets Just Before Dying
Astronomers discovered two mini-Neptunes and a third potential exoplanet in the final data sent home by NASA's Kepler space telescope just before it was decommissioned in late 2018.
Exoplanet 10 K2 Andrew Vanderburg Kepler Team
James Webb Space Telescope finds water in super-hot exoplanet's atmosphere
Tereza Pultarova

01/06/2023 Lecture 4 min

Source de l'article : Space.com
James Webb Space Telescope Finds Water In Super-Hot Exoplanet's Atmosphere
The James Webb Space Telescope spotted water in the atmosphere of the exoplanet WASP-18 b, which reaches nearly 5,000 degrees Fahrenheit (2,700 degrees Celsius).
James Webb Space Wasp-18 Exoplanet Hunter Tess Jwst Atmosphere Water
AI is helping astronomers make new discoveries about the universe faster than ever before
Chris Impey

26/05/2023 Lecture 7 min

Source de l'article : Space.com
Ai Is Helping Astronomers Make New Discoveries About The Universe Faster Than Ever Before
AI has now spread into every field of astronomy and is helping astronomers learn more about the universe at an astonishing rate.
Astronomer M87 Exoplanet Data Ai Hole
Volcanoes may carpet surface of newfound Earth-size exoplanet
Mike Wall

17/05/2023 Lecture 4 min

Source de l'article : Space.com
Volcanoes May Carpet Surface Of Newfound Earth-Size Exoplanet
A newfound exoplanet that lies 90 light-years from Earth may be studded with active volcanoes, whose emissions could sustain an atmosphere.
Exoplanet Lp 791-18 Björn Benneke Jessie Christiansen Earth Activity
Weird and wonderful planets beyond our solar system

17/05/2023 Lecture 5 min

Source de l'article : CNN
Weird And Wonderful Planets Beyond Our Solar System
From a scorched world with surfaces hotter than lava to one of the best chances for life outside our solar system, scientists have discovered a host of incredible exoplanets orbiting other stars.
System Lava Scientist Exoplanet Host Life
Building telescopes on the moon could transform astronomy – and it's becoming an achievable goal
Ian Crawford

17/05/2023 Lecture 7 min

Source de l'article : Space.com
Building Telescopes On The Moon Could Transform Astronomy – And It's Becoming An Achievable Goal
Lunar exploration is undergoing a renaissance. Dozens of missions, organized by multiple space agencies – and increasingly by commercial companies – are set to visit the moon by the end of this decade.
Astronomy Wavelength Exoplanet Magnetosphere Moon Side
Radiation belt seen beyond our solar system for the 1st time
Robert Lea

17/05/2023 Lecture 5 min

Source de l'article : Space.com
Radiation Belt Seen Beyond Our Solar System For The 1st Time
The radiation belt around the ultracool dwarf star, located around 19 light-years from Earth, is doubled-lobed like the radiation belts around Jupiter — but it's 10 million times brighter.
Belt J1835 Magnetosphere Van Allen System Radiation
James Webb Space Telescope studies mysterious exoplanet with a possible watery past
Robert Lea

12/05/2023 Lecture 5 min

Source de l'article : Space.com
James Webb Space Telescope Studies Mysterious Exoplanet With A Possible Watery Past
The James Webb Space Telescope has taken a closer look at a mysterious "mini-Neptune" that is like nothing found in the solar system and may have had a watery past.
Jwst Exoplanet Eliza Kempton 10 Gj 1214 Night Side
2 'super-Earth' exoplanets spotted in habitable zone of nearby star
Robert Lea

12/05/2023 Lecture 3 min

Source de l'article : Space.com
2 'Super-Earth' Exoplanets Spotted In Habitable Zone Of Nearby Star
NASA's TESS spacecraft spotted two super-Earth planets as they crossed the face of their star within its 'habitable zone.'
Exoplanet Dwarf Planets Twitter Zone Star
Webb Telescope Finds a Star Cloaked in 3 Rings of Ruined Worlds
Robin George Andrews

08/05/2023 Lecture 5 min

Source de l'article : The New-York Times
Webb Telescope Finds A Star Cloaked In 3 Rings Of Ruined Worlds
Astronomers have gained a new understanding of the chaos that wreathes the bright star Fomalhaut with the help of the powerful space observatory.
Fomalhaut Gaspar Andras Bruce Macintosh Exoplanet System Star