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exoplanets
Exoplanets @exoplanets@stefanbohacek.online · Jul 30, 2026
Name: TOI-561 e A potentially rocky world, larger than Earth. Distance from Earth: 280 light-years Year discovered: 2020 Discovered by: Transiting Exoplanet Survey Satellite (TESS) Planet radius: 2.55 x Earth Planet mass: 13 Earths Orbital period: 77.03 day(s) Equilibrium temperature: 415° K https://eyes.nasa.gov/apps/exo/#/planet/TOI-561_e #space #exoplanets
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ombialik
Dr. Or M. Bialik @ombialik@mastodon.world · Jul 19, 2026
The things we can tell about exoplanets now are a bit insane. For example, with this case study of LHS 1140b (48.8 light-years away), we can tell there is an inter-annual variation in the helium it degasses to space. Link: https://www.science.org/doi/10.1126/science.aea9708 #Astronomy #Exoplanets
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KLlewellin
K.Llewellin :coffefied: @KLlewellin@masto.ai · Jul 17, 2026
In search of life beyond our solar system: Atmosphere detected on a habitable-zone rocky world https://phys.org/news/2026-07-life-solar-atmosphere-habitable-zone.html 🪐 #Exoplanet #Exoplanets #AlienWorlds #AlienLife #Extraterrestrials #Space #Science #SolarSystem #Astrobiology
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ombialik
Dr. Or M. Bialik @ombialik@mastodon.world · Jul 11, 2026
A staple #Worldbuilding trope many authors like might have finally got some scientific support - tidally-locked planets might be able to support life by exchanging heat between sides (making them potentially really windy). But heat transfer isn't limited to the atmosphere; it is also in the mantle. Link: https://www.nature.com/articles/s41467-025-62026-z #Exoplanets
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EdwinG
Edwin G. :mapleleafroundel: @EdwinG@mstdn.moimeme.ca · Jun 30, 2026

University of Oxford study found that planets 1,113 light years away are 1,000 times bigger than Earth, but lighter than cotton candy

https://www.cbc.ca/radio/asithappens/cotton-candy-planets-9.7252643

Une étude de l’université d’Oxford a trouvée que des planètes à 1113 années-lumières sont 1000 plus grosses que la Terre, mais plus légères que de la barbe à papa

// Article en anglais //

#Planets #Planètes #Exoplanets #Exoplanètes #Space #Espace

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theperpetuallycurious8
The Perpetually Curious! @theperpetuallycurious8@mastodon.social · Jun 28, 2026
RE: https://mastodon.social/@theperpetuallycurious8/115594692348929134 Some worlds remind us that reality can be stranger than invention. Glass rain, newborn planets, and worlds orbiting stellar remnants reveal how varied planetary stories can be. #Exoplanets #Astronomy #Space
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PhilipCJames__dup_644
Philip C James @PhilipCJames__dup_644@mas.to · Feb 02, 2026
The geology of chocolate bars... It's more than 50 years since we left the Moon and, as far as I can see, we still have no equivalent for the prefix in the word 'Geology', the science of the physical structure of the Earth and its rocks. We have Exo-geology, and lunar geology and planetary geology but no xxxology where xxx is a prefix denoting the study of non-Earths. Who can help me out, here? #Science #Exoplanets #Geology https://www.jpl.nasa.gov/edu/resources/project/describe-rocks-like-a-nasa-scientist/
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