#PlanetaryScience

@kill-bait.bsky.social

1 hour ago

Earth’s habitability linked to precise oxygen levels during core formation Researchers from ETH Zurich have uncovered a critical factor in Earth's early formation that may explain why life could develop here. The study led by Craig Walton and Maria Schönbächler shows that the availability of phosphorus and nitrogen—essential elements for DNA, RNA, and proteins—depended on a very precise level of oxygen during the planet's core formation. If oxygen levels had been too high or too low, phosphorus and nitrogen would have been trapped in the core or lost to the atmosphere, making the surface uninhabitable. This discovery highlights that water alone is insufficient for life; chemical conditions must also fall within a narrow 'Goldilocks zone.' The research also suggests that planets like Mars, which formed under different oxygen conditions, had chemical limitations that may have hindered life. These findings could refine the search for life beyond Earth by emphasizing the importance of studying the chemical composition of host stars, as planetary chemistry mirrors stellar composition. In essence, Earth’s habitability was the result of extraordinarily fortunate early chemistry, offering new insights into why life emerged here and guiding where scientists might look for life in other solar systems.

Earth’s habitability linked to precise oxygen levels during core formation

🤖 IA: It's clickbait ⚠️
👥 Usuarios: It's clickbait ⚠️

#earth #planetaryscience #habitability

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IMPRS Solar System School

@imprs-solar.academiccloud.social.ap.brid.gy

7 hours ago

Original post on academiccloud.social

Are you looking for a PhD position in the field of experimental planetary science?
Do you have a background in Geochemistry, Mineralogy, Petrology, or Earth and Planetary Sciences in general?

The ERC Starting Grant group ELMO led by Christian Renggli @bsky.app.profile.renggli.bsky.social is […]

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CIERA

@nuciera.bsky.social

20 hours ago

CIERA Announces Northwestern’s First 51 Pegasi b Fellowship Recipient The Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA) is proud to announce that William Balmer (they/them) has been named Northwestern University’s first Heising-Simons Fou...

We are proud to announce that William Balmer has been named Northwestern University’s first Heising-Simons Foundation 51 Pegasi b Fellow and a member of the Tenth Class of 51 Pegasi b Fellows! Congratulations William! bit.ly/4e53ePl
#Astrophysics #PlanetaryScience

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adsdaily

@adsdaily.bsky.social

22 hours ago

Where to Search For Life: Evidence from narrative sources with established predictive efficacy The search for habitable planets, and even for ``Earth 2.0'', is a major driver in contemporary astronomy. However selecting target fields to prioritise for such searches presents a challenge. Here we establish a statistical analysis of the appearance of constellation names in sc

📄 Where to Search For Life: Evidence from narrative sources with establ…

Quicklook:
Stanway, Elizabeth R et al. (2026) · arXiv e-prints
Reads: 2343 · Citations: 0
DOI: 10.48550/arXiv.2603.28883

#Astronomy #Astrophysics #SolarPhysics #PlanetaryScience #InstrumentationAndMethodsForAstrophysics

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adsdaily

@adsdaily.bsky.social

22 hours ago

sbpy: A Python module for small-body planetary astronomy NASA ADS abstract

📄 sbpy: A Python module for small-body planetary astronomy

Quicklook:
Mommert, Michael et al. (2019) · The Journal of Open Source Software
Reads: 2 · Citations: 59
DOI: 10.21105/joss.01426

#Astronomy #Astrophysics #PlanetaryScience #Comets #KuiperBeltObjects

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Ars Technica News

@arstechni.ca

1 day ago

Astronauts set distance record, revealing the Moon as a place to be explored https://arstechni.ca #humanspaceflight #planetaryscience #solarsystem #artemisII #Science #artemis #Space #orion #moon #NASA

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Breach And Build

@breachandbuild.bsky.social

3 days ago

Venus: molten surface, crushing pressure, toxic air. But beneath it all? Our latest blog dives into the "Venus Volcanic Cave" debate – could these lava...

#Technology #BreachAndBuild #VenusCaves #Astrobiology #PlanetaryScience

breachandbuild.com/venus-caves-hope-for-lif...

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Dr. Nick Attree

@nickattree.bsky.social

4 days ago

The more you realise about that second pic, the more incredible it becomes! I think we might have a #PlanetaryScience image of 2026 contender already!
bsky.app/profile/astr...
(p.s. I am also in it! One of those little brights spots down there on the Iberian peninsular 😊🇪🇸)

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Alejandro Soto

@soto.space

5 days ago

Impact Flash! - NASA Science You and your telescope can join a global network of amateur astronomers documenting meteors hitting the moon.

If you have one of the robotic telescopes, even a small one, then you have the chance to participate in the Artemis II science program by looking for impact flashes on the Moon.

#planetaryscience 🧪

science.nasa.gov/citizen-scie...

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@byteandpieces.bsky.social

6 days ago

The Universe Isn't Empty—It's Hiding From Us Why the Universe is Ghosting Us: The Terrifying Science of the Great Silence 🌌 Is the galaxy a crowded party where we're the only ones who didn't get the invite, or are we screaming into a cosmic graveyard? 🛸 We’ve been scanning the stars for decades, but the Great Silence is only getting louder. In this episode, we’re peeling back the cosmic curtain to ask the ultimate question: Where is everybody? From the phosphorus bottleneck starving potential alien life to the lethal galactic radiation that turns most planets into cosmic microwaves, we explore why Earth might be a one-in-a-trillion miracle. We’re not just talking about "little green men"—we’re diving into the brutal physics and sociological risks that keep the universe eerily quiet. 🧬 In this episode, we break down: - The Rare Earth Hypothesis: Why planetary stability requires a perfect cocktail of rare earth metals and a very lucky moon. 💎 - The Dark Forest Theory: Is the universe quiet because it’s empty, or because every civilization is hiding from a predator we haven't seen yet? 🌲👁️ - The Great Filter: Are we the lucky winners of a cosmic elimination game, or is our "expiration date" closer than we think? ⏳ This isn't just a science lesson; it's an existential deep dive into the Great Filter and the staggering rarity of our existence. Could humanity really be the only technological species to survive these cumulative cosmic challenges? 🌍✨ Don't let our signal die here! 🚀 Hit that Subscribe button, share this with a fellow earthling, and let’s keep the conversation—and our species—alive. Leave a review and tell us: Are we truly alone, or is the universe just playing a high-stakes game of hide-and-seek? #FermiParadox #SpaceExploration #GreatFilter #Astrobiology #AlienLife #TheGreatSilence #Cosmos #DarkForestTheory #SciencePodcast

📣 New Podcast! "The Universe Isn't Empty—It's Hiding From Us" on @Spreaker #astrobiology #astronomy #astrophysics #chemistry #cosmos #darkforest #existentialrisk #extraterrestrial #fermiparadox #futurescience #greatfilter #planetaryscience #rareearth #sciencepodcast #seti #spaceexploration #uap

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Thomas Gangale, JSD

@thomasgangale.bsky.social

1 week ago

Encyclopedia of #MartianGeography, Volume 2 is now available!
Over 1100 pages reviving classical albedo nomenclature from Schiaparelli, Lowell & others — lost names from the telescopic era, reanchored in modern areography.
zenodo.org/records/1937...
#Areography #PlanetaryScience

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Dr. Nick Attree

@nickattree.bsky.social

1 week ago

Listening to this @europlanetmedia.bsky.social webinar now. Excited to go back to Saturn 🪐 with Cassini-Huygens and then hear about the new @esa.int Enceladus mission #PlanetaryScience

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Springer Nature

@springernature.com

1 week ago

Strong nickel enrichment co-located with redox-organic interactions in Neretva Vallis, Mars - Nature Communications NASA’s Perseverance rover detected high nickel abundances in an ancient Martian river channel. Their chemistry resembles nickel enrichments in ancient Earth rocks and may hint at complex redox–organic processes in Mars’ past.

The discovery of nickel-rich Martian rocks in Neretva Vallis — an ancient river channel that once carried water into a lake in Jezero crater — by NASA’s Perseverance rover is described in a paper published in @natcomms.nature.com: spklr.io/63322EyWmM

#PlanetaryScience 🧪

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Rob McConnell

@robmcconnell.bsky.social

1 week ago

Rob McConnell Interviews - KEVIN ESTRELLE - The Pyramids on Mars Could ancient structures exist beyond Earth—hidden in plain sight on the surface of Mars? In this fascinating episode, Kevin Estrelle explores the controversial and captivating idea of pyramids on Mars, examining photographic evidence, satellite imagery, and the theories that have sparked decades of debate among researchers and enthusiasts alike. From the famous “Face on Mars” to geometric formations that resemble man-made structures, Kevin discusses whether these features are simply natural landforms—or remnants of a long-lost civilization that once existed on the Red Planet. What do these anomalies really show, and why do they continue to fuel speculation about extraterrestrial intelligence and ancient spacefaring cultures? This episode delves into the intersection of science, interpretation, and imagination. How do we distinguish between genuine anomalies and the human tendency to see patterns where none exist? And if even a fraction of these claims hold truth, what would it mean for our understanding of history, life in the universe, and humanity’s place within it? Join us as we journey millions of miles away to explore one of the most intriguing mysteries in planetary science—where the surface of Mars may hold secrets that challenge everything we think we know about civilization, both past and present.

📣 New Podcast! "Rob McConnell Interviews - KEVIN ESTRELLE - The Pyramids on Mars" on @Spreaker #alienlife #ancientcivilizations #extraterrestrial #faceonmars #highstrangeness #kevinestrelle #mars #marsanomalies #martianstructures #mystery #nasaimages #paranormalpodcast #planetaryscience #ufo

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Pure Science

@purescience.news

1 week ago

Uranus Mission Concept CASMIUS to Probe Ice Giant Secrets The ice giant Uranus is one of the most fascinating objects in the solar system, with its sideways rotation, intricate ring system, and unique family of moons. However, it is also one of the least explored objects in the solar system, owing to its extreme distance from the Sun. With NASA’s Voyager 2 spacecraft remaining as the only spacecraft to visit Uranus, scientists continue to design and envision mission concepts for returning to explore Uranus and its icy secrets.

Uranus Mission Concept CASMIUS to Probe Ice Giant Secrets #Science #Space #PlanetaryScience #UranusMission #SpaceExploration

www.universetoday.com/articles/uranus-mission-...

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Dr. JB Vincent

@comet-toolbox.com

1 week ago

Poster representing ESA's Hera mission. The picture shows Hera, its two cubesats Milani and Juventas, and the target asteroids Didymos and DImorphos

New Hera mission poster #Hera #PlanetaryScience www.esa.int/ESA_Multimed...

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Thomas Gangale, JSD

@thomasgangale.bsky.social

1 week ago

Atlas of Martian Geography: MC-13 Syrtis Major is now available!
MOLA topography overlaid with revived classical albedo nomenclature. Blending 19th-century telescopic Mars with modern areography. zenodo.org/records/1933... #Mars #PlanetaryScience #Areography

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Pure Science

@purescience.news

1 week ago

Bennu’s Rugged Rocks Explained by Deep Internal Cracks Asteroids don’t get the love they deserve. They don’t get “cool points” because they’re not a planet or a potential life-harboring moon. They’re “just a bunch of rocks”. But asteroids are so much more, as they are time capsules of the early solar system that have survived billions of years untouched by weathering or plate tectonics. One of the most intriguing asteroids that has been explored is asteroid Bennu, and specifically how its physical characteristics greater differed from Earth-based observations in 2007 after NASA OSIRIS-REx spacecraft visited Bennu in 2018.

Bennu’s Rugged Rocks Explained by Deep Internal Cracks #Science #Space #PlanetaryScience #Bennu #Asteroids #SpaceScience

www.universetoday.com/articles/bennus-rugged-r...

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AlcorNews

@alcornews.bsky.social

1 week ago

Les deux visages de la planète Saturne | Ciel & Espace Les télescopes spatiaux James Webb et Hubble offrent chacun une vision unique de Saturne : l’une dans l’infrarouge, l’autre dans le domaine visible.

Saturne se dévoile sous deux lumières fascinantes : un spectacle cosmique que JWST capte comme jamais ! Rhooo... C'est beau ! www.cieletespace.fr/article/satu... #Space #Science #Innovation #Astrophysics #JWSTData #PlanetaryScience #CosmicRevelation

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AlcorNews

@alcornews.mastodon.social.ap.brid.gy

1 week ago

Les deux visages de la planète Saturne | Ciel & Espace Les télescopes spatiaux James Webb et Hubble offrent chacun une vision unique de Saturne : l’une dans l’infrarouge, l’autre dans le domaine visible.

Saturne se dévoile sous deux lumières fascinantes : un spectacle cosmique que JWST capte comme jamais ! Rhooo... C'est beau ! www.cieletespace.fr/article/saturne-sous-deu... #Space #Science #Innovation #Astrophysics #JWSTData #PlanetaryScience #CosmicRevelation

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Pure Science

@purescience.news

1 week ago

Saturn's Northern Lights Are Running a Heat Pump That Fooled Scientists for Decades Key Takeaways The James Webb Space Telescope observed Saturn's northern lights and trihydrogen cation, revealing a feedback loop in its atmosphere.

Saturn’s Northern Lights Are Running a Heat Pump That Fooled Scientists for Decades #Science #Space #PlanetaryScience #Saturn #NorthernLights #SpaceScience

scienceblog.com/saturns-northern-lights-...

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Pure Science

@purescience.news

1 week ago

Mars-Like Worlds Near M-Dwarfs May Lose Air in Millions of Years The criteria for finding an Earth-like planet unofficially comes down to two things: water and the habitable zone. But a phenomenon known as atmospheric escape often “escapes” the minds of many astronomy fans, and it turns out that atmospheric escape is one of the key characteristics for finding an Earth-like world. Although extensive research has been conducted on how the planet Mars might have lost its atmosphere, and potentially the ability to sustain life, how would the atmosphere enveloping a Mars-like exoplanet respond to stars different from our own?

Mars-Like Worlds Near M-Dwarfs May Lose Air in Millions of Years #Science #Space #PlanetaryScience #Mars #Exoplanets #AtmosphericLoss

www.universetoday.com/articles/mars-like-world...

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Thomas Gangale, JSD

@thomasgangale.bsky.social

1 week ago

MC-12 Arabia is live in the Atlas of #MartianGeography! Classic albedo names revived over MOLA topography. Part of the open-access companion to Encyclopedia of Martian Geography Vol. 1.
zenodo.org/records/1925... #Mars #Areography #PlanetaryScience

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Pure Science

@purescience.news

1 week ago