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#exoplanets

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The Perpetually Curious! @theperpetuallycurious8@mastodon.social
· 10mo ago
🪐 From Glass Rain to Zombie Worlds In 1995, astronomers discovered the first exoplanet orbiting a Sun-like star. Today we know of 6,000+ worlds defying imagination. Some rain molten glass sideways. Others orbit backward. Infant planets spiral through cosmic nurseries while ancient worlds circle stellar corpses. ✍️ Explore the extraordinary census: https://TPC8.short.gy/BP7mexQG 🌌 When reality exceeds science fiction. #Exoplanets #Astronomy #Space #JWST #NASA #Astrophysics #Astrobiology #Cosmos #TPC8
tpc8.short.gy

Worlds Beyond Worlds: The Extraordinary Story of Exoplanets 🌌

Explore 6,000+ confirmed exoplanets: glass-rain hot Jupiters, pulsar planets, JWST atmospheric discoveries, and the search for Earth 2.0.

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Forming Worlds Lab @formingworlds@fediscience.org
· 3mo ago
Hello, and welcome! 👋 We're the Forming Worlds Lab at the Kapteyn Astronomical Institute, University of Groningen. We study how rocky planets form and evolve, and what makes a world habitable, from early magma oceans 🌋 to the atmospheres of distant exoplanets 🪐. We model planetary interiors and atmospheres together, and we build the open-source PROTEUS framework our science runs on, in the open. 💻 Over the coming days, we'll introduce our group members one by one, and the research projects each of them leads. After that, expect regularly: 🪐 the wonder of rocky planets and alien worlds 📄 recent papers and science results 🎤 conference updates and talks 📸 life in the Forming Worlds Lab It's an exciting time to explore other worlds. Glad to have you here, follow along! 🌍 Web: https://formingworlds.space Code: https://github.com/FormingWorlds PROTEUS: https://proteus-framework.org #Exoplanets #PlanetaryScience #Astronomy #Astrodon #OpenScience
Forming Worlds
Forming Worlds

Forming Worlds

The Forming Worlds Lab at the Kapteyn Astronomical Institute investigates how rocky planets form, evolve, and become habitable. Research group of Tim Lichtenberg at the University of Groningen.

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SETI Institute @setiinstitute@mastodon.social
· 3w ago
Can planets form around supermassive black holes? 🌌 New simulations suggest the dusty disks around actively feeding supermassive black holes could produce enormous planet-mass objects — with some potentially growing massive enough to become stars. Dive into the science: https://www.seti.org/news/can-planets-form-around-supermassive-black-holes/ #space #science #exoplanets
Can Planets Form Around Supermassive Black Holes?
seti.org

Can Planets Form Around Supermassive Black Holes?

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Dr. Or M. Bialik @ombialik@mastodon.world
· 1mo ago
What if a rocky planet didn't have a core? That can't happen, can it? It should differentiate... well, there might be a set of circumstances under which that might happen. If it does, they're going to be a bit strange. As to how they might be weird. They might deform more due to rotation and gravitational distribution; they might have an unstable or no magnetic field, and the minerals on their surface would definitely be exotic. Link: https://www.pnas.org/doi/10.1073/pnas.2615884123 #Exoplanets #Worldbuilding
PNAS
PNAS

PNAS

Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans the biological, physical, and social sciences.

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13 @13@2137.social
· 2mo ago
Earth-like LHS 1140b May Feature the First Atmosphere Found on Exoplanet https://hackaday.com/2026/07/20/earth-like-lhs-1140b-may-feature-the-first-atmosphere-found-on-exoplanet/ #Science #Space #Exoplanets
Earth-like LHS 1140b May Feature The First Atmosphere Found On Exoplanet
Hackaday

Earth-like LHS 1140b May Feature The First Atmosphere Found On Exoplanet

Finding another planet outside of our solar system that can comfortably be called ‘Earth-like’ is one of those discoveries that — if confirmed — would be a major event. The …

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Hackaday @hackaday@robot.villas
· 2mo ago
Earth-like LHS 1140b May Feature the First Atmosphere Found on Exoplanet https://hackaday.com/2026/07/20/earth-like-lhs-1140b-may-feature-the-first-atmosphere-found-on-exoplanet/ #Science #Space #Exoplanets
Earth-like LHS 1140b May Feature The First Atmosphere Found On Exoplanet
Hackaday

Earth-like LHS 1140b May Feature The First Atmosphere Found On Exoplanet

Finding another planet outside of our solar system that can comfortably be called ‘Earth-like’ is one of those discoveries that — if confirmed — would be a major event. The …

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Dr. Or M. Bialik @ombialik@mastodon.world
· 2mo ago
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
Helium escaping from the atmosphere of a nearby rocky exoplanet orbiting in a habitable zone
Science

Helium escaping from the atmosphere of a nearby rocky exoplanet orbiting in a habitable zone

Observations of highly irradiated gas giant exoplanets have shown helium escaping from their atmospheres. There is limited evidence for atmospheres on rocky exoplanets, perhaps because they have already escaped. We report near-infrared spectroscopic ...

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Dr. Or M. Bialik @ombialik@mastodon.world
· 3mo ago
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
Convective dynamics in mantle of tidally-locked exoplanets - Nature Communications
Nature

Convective dynamics in mantle of tidally-locked exoplanets - Nature Communications

Tidal locking imposes distinctive thermal forcing on super-Earth exoplanets in habitable zones. Through experiments and modelling of internal mantle dynamics, the authors show that geothermal heating in the mid to high latitudes of such planets can potentially create habitable areas.

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Edwin G. Spooks 👻 @EdwinG@mstdn.moimeme.ca
· 3mo ago

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

These planets are 1,000 times bigger than Earth, but lighter than cotton candy: study | CBC Radio
CBC

These planets are 1,000 times bigger than Earth, but lighter than cotton candy: study | CBC Radio

About 1,113 light years away from Earth, locked in orbit around a single star, there are two planets that appear to be the size of Jupiter, but have the density of "a nice blob of shaving foam, fresh from the can."

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The Perpetually Curious! @theperpetuallycurious8@mastodon.social
· 3mo ago
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
Quoting
The Perpetually Curious!
@theperpetuallycurious8@mastodon.social
🪐 From Glass Rain to Zombie Worlds In 1995, astronomers discovered the first exoplanet orbiting a Sun-like star. Today we know of 6,000+ worlds defying imagination. Some rain molten glass sideways. Others orbit backward. Infant planets spiral through cosmic nurseries while ancient worlds circle stellar corpses. ✍️ Explore the extraordinary census: https://TPC8.short.gy/BP7mexQG 🌌 When reality exceeds science fiction. #Exoplanets #Astronomy #Space #JWST #NASA #Astrophysics #Astrobiology #Cosmos #TPC8
Open quoted post
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Philip C James @PhilipCJames__dup_644@mas.to
· 8mo ago
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 #Geologyhttps://www.jpl.nasa.gov/edu/resources/project/describe-rocks-like-a-nasa-scientist/
jpl.nasa.gov

Describe Rocks Like a NASA Scientist – Science Project | NASA JPL Education

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