Search by tag: « exoplanet »

12 articles found

NASA's Kepler telescope discovered 2 mini-Neptune exoplanets just before dying
Sharmila Kuthunur

01/06/2023 Reading 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.
10 Andrew Vanderburg K2 Kepler exoplanet team
James Webb Space Telescope finds water in super-hot exoplanet's atmosphere
Tereza Pultarova

01/06/2023 Reading 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).
Exoplanet hunter JWST James Webb Space TESS WASP-18 atmosphere water
AI is helping astronomers make new discoveries about the universe faster than ever before
Chris Impey

26/05/2023 Reading 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.
AI M87 astronomer data exoplanet hole
Volcanoes may carpet surface of newfound Earth-size exoplanet
Mike Wall

17/05/2023 Reading 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.
Björn Benneke Earth Exoplanet Jessie Christiansen LP 791-18 activity
Weird and wonderful planets beyond our solar system

17/05/2023 Reading 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.
Lava System exoplanet host life scientist
Building telescopes on the moon could transform astronomy – and it's becoming an achievable goal
Ian Crawford

17/05/2023 Reading 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 exoplanet magnetosphere moon side wavelength
Radiation belt seen beyond our solar system for the 1st time
Robert Lea

17/05/2023 Reading 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.
J1835 Magnetosphere Van Allen belt radiation system
James Webb Space Telescope studies mysterious exoplanet with a possible watery past
Robert Lea

12/05/2023 Reading 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.
10 Eliza Kempton Exoplanet GJ 1214 JWST night side
2 'super-Earth' exoplanets spotted in habitable zone of nearby star
Robert Lea

12/05/2023 Reading 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.'
Dwarf Twitter exoplanet planets star zone
Webb Telescope Finds a Star Cloaked in 3 Rings of Ruined Worlds
Robin George Andrews

08/05/2023 Reading 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.
Bruce Macintosh Exoplanet Fomalhaut Gaspar Andras star system
Discovering Extraterrestrials Offers Benefits
Avi Loeb

11/04/2023 Reading 7 min

Source de l'article : The Debrief
Discovering Extraterrestrials Offers Benefits
In 2010, Stephen Hawking warned that discovering extraterrestrals might pose and existential risk to humanity.
Earth Oumuamua Stephen Hawking Way galaxy exoplanet extraterrestrial
Repeating radio signal leads astronomers to an Earth-size exoplanet
Ashley Strickland

05/04/2023 Reading 5 min

Source de l'article : CNN
Repeating Radio Signal Leads Astronomers To An Earth-Size Exoplanet
Astronomers have detected a repeating radio signal from an exoplanet and the star that it orbits, both located 12 light-years away from Earth. The signal suggests that the Earth-size planet may have a magnetic field and perhaps even an atmosphere.
Atmosphere Earth Exoplanet Radio signal astronomer field