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astrobiology.com/2026/11/08/b... #astrobiology #astrogeology #asteroid @OSIRISREx
Best Bulk Bennu (B3): Elemental Compositions Of Aggregate Samples From Asteroid Bennu K.
[astro-ph.EP] Ivuna-type (CI) carbonaceous chondrites have long served as proxies for the bulk Solar System composition due to their close agreement with solar photospheric abundances and enrichment i...
astrobiology.com
November 8, 2026 at 5:31 PM
astrobiology.bsky.social
astrobiology.com/2026/11/09/b... #astrobiology #astronomy #astrogeology
Blinding Lights: Simulation-Based Evidence for Terrestrial Giant Impacts as Astronomically Observable Events
Giant impacts (collisions between planet-sized bodies) are violent events that fundamentally alter the properties of planets and the structure of planetary systems.
astrobiology.com
November 9, 2026 at 7:05 PM
astrobiology.bsky.social
astrobiology.com/2026/11/05/u... #astrobiology #astrogeology #remotesensing
Using Vibrations To Reveal What Lies Beneath Other Planets’ Surfaces
Modern space exploration hasn’t quite reached Star Trek levels of boldly going where no one has gone before.
astrobiology.com
November 5, 2026 at 7:26 PM
maverickbrett.bsky.social
I need to be clear, this is absolutely unhinged, but does sadly fit with the astrogeology
November 3, 2026 at 4:09 AM
astrobiology.bsky.social
astrobiology.com/2026/11/03/h... #astrobiology #astrochemistry #astrogeology #meteorite
Hidden In Plain Sight In Ryugu And Meteorites
Asteroid Ryugu and some carbonaceous meteorites, which are thought to have similar origins in the early Solar System
astrobiology.com
November 3, 2026 at 5:54 PM
astrobiology.bsky.social
astrobiology.com/2026/11/01/s... #astrobiology #astrogeology #titan
Send Your Name to Titan Aboard NASA’s Dragonfly Astrobiology Mission
You may never soar under the clouds or over the organic sands of Saturn’s moon Titan, but your name can.
astrobiology.com
November 2, 2026 at 12:55 AM
astrobiology.bsky.social
astrobiology.com/2026/11/04/u... #astrobiology #astrogeology #astrochemistry #exoplanet
Up In Smoke: Carbon-destruction In The Terrestrial Planet-forming Region Of A Young Class I Disk
Earth's surface and deep mantle are strongly depleted in carbon compared to the Sun.
astrobiology.com
November 4, 2026 at 5:42 PM
astrobiology.bsky.social
astrobiology.com/2026/11/02/s... #astrobiology #astrochemistry #astrogeology #biosignatures
Study Details One of Oldest Mars Meteorites Ever Found
When a rose-colored meteorite was found in the Sahara Desert in 2022, no one knew how old it was or where it came from.
astrobiology.com
November 2, 2026 at 6:17 PM
astrobiology.bsky.social
astrobiology.com/2026/11/01/a... #astrobiology #Mars #astrogeology
Ancient Layers On Mars Exposed By A Crater Within A Crater In Terra Sirenum
Terra Sirenum is a heavily cratered region of Mars’ ancient Southern Highlands.
astrobiology.com
November 2, 2026 at 12:55 AM
astrobiology.bsky.social
astrobiology.com/2026/10/31/w... #astrobiology #Mars #astrogeology
Well-Preserved Polygons In Elysium Planitia on Mars
Polygons are interesting features on Mars, though sometimes only visible in high resolution images like those taken by HiRISE.
astrobiology.com
October 31, 2026 at 8:01 PM
astrobiology.bsky.social
astrobiology.com/2026/10/30/a... #astrobiology #astrogeology #Mars
Advancing Methane Detection Technology For Future Mars Missions
The presence of methane on Mars could provide important clues about the red planet's past and present
astrobiology.com
October 30, 2026 at 7:11 PM
astrobiology.bsky.social
astrobiology.com/2026/10/30/c... #astrobiology #astrochemistry #astrogeology #panspermia
Comets Probably Didn’t Seed Life On Earth After All, New Study Suggests
Comets didn’t seed life on Earth after all, a new study suggests, potentially overturning a century-old idea.
astrobiology.com
October 30, 2026 at 7:11 PM
astrobiology.bsky.social
astrobiology.com/2026/10/30/t... #astrobiology #astrogeology
Tailoring Infra-Red Filters for Global Mapping of Enceladus' Thermal Environment
We present the results of an initial study into the feasibility and design of the Enceladus Thermal Mapper (ETM)
astrobiology.com
October 30, 2026 at 7:10 PM
astrobiology.bsky.social
astrobiology.com/2026/10/30/u... #astrobiology #Mars #astrogeology #meteorite
University of New Mexico Scientists help Uncover 4.1 billion-year-old Martian Meteorite Revealing Clues to Planet's Ancient Past
Scientists at the University of New Mexico have played a key role in identifying a rare, 4.1-billion-year-old Martian meteorite
astrobiology.com
October 30, 2026 at 7:12 PM
astrobiology.bsky.social
astrobiology.com/2026/10/30/m... #astrobiology #astrogeology #astronomy #exoplanet
Measuring Masses Of Transiting Earth-like Planets: First Insights From The PLATO RV Data Challenge
The PLATO Stellar Variability Mitigation Working Group designed a radial-velocity (RV) data challenge
astrobiology.com
October 30, 2026 at 7:11 PM
astrobiology.bsky.social
astrobiology.com/2026/10/30/t... #astrobiology #astrochemistry #astrogeology #astronomy
The Great Chat In The Sky: Aligning Exotic Astronomical Data To Language With AstroBridge
[astro-ph.IM] Astronomical observations include images, spectra, and light curves, while the scientific literature describes these objects in natural language. We present AstroBridge, a framework that...
astrobiology.com
October 30, 2026 at 7:11 PM
astrobiology.bsky.social
astrobiology.com/2026/10/29/r... #astrobiology #astrogeology #astrochemistry
Research Suggests Earth May Have Formed Much Of Its Water As The Planet Grew
Earth may have produced much of its water during the planet’s formation
astrobiology.com
October 29, 2026 at 7:23 PM
astrobiology.bsky.social
astrobiology.com/2026/10/29/p... #astrobiology #Mars #Astrogeology
Preparing To Drill At ‘Nazca’ On Mars
[NASA]. Curiosity Blog, Sols 5043-5049: Preparing to Drill at ‘Nazca’ Earth planning date: Friday, Oct. 16, 2026 Following the Basque Lakes drill campaign, Curiosity has returned to a spot just […]
astrobiology.com
October 29, 2026 at 7:23 PM
astrobiology.bsky.social
astrobiology.com/2026/10/29/r... #astrobiology #astrogeology #exoplanet
Retention Of Primordial Atmospheres Through Giant Impacts
Rocky planets the size of Earth or larger are expected to undergo one or more giant impacts during the final stages of their formation.
astrobiology.com
October 29, 2026 at 7:22 PM
astrobiology.bsky.social
astrobiology.com/2026/10/29/t... #astrobiology #astrogeology
The Impact Of The Sulfur Allotropes And Sulfur Hydrides On The Venus Cloud Chemistry
Venus is home to vivid sulfur chemistry, with SO2 as the major sulfur gas species and a global cloud layer
astrobiology.com
October 29, 2026 at 7:23 PM
astrobiology.bsky.social
astrobiology.com/2026/10/28/s... #astrobiology #astrochemistry #astrogeology #exoplanet
Spectroscopic Survey of Small Solar System Bodies with Ariel
The small Solar System bodies (SSSBs) preserve records of the formation and evolution of the Solar System
astrobiology.com
October 28, 2026 at 9:03 PM
astrobiology.bsky.social
astrobiology.com/2026/10/20/p... #astrobiology #exoplanet #astrochemistry #astrogeology
Planet Formation On Solar System Scales
Giant planets are often regarded as primordial protoplanetary "architects".
astrobiology.com
October 20, 2026 at 6:14 PM
astrobiology.bsky.social
astrobiology.com/2026/10/20/c... #astrobiology #astrochemistry #astrogeology
Correlative Microstructural Analysis of a Weathered Nantan Meteorite Fragment
The weathering of iron-rich phases within meteorites is a multi-stage process
astrobiology.com
October 20, 2026 at 6:14 PM
astrobiology.bsky.social
astrobiology.com/2026/10/20/c... #astrobiology #astrochemistry #astrogeology
Chemistry On Solar System Scales
The initial chemical composition of planets, primitive bodies in our solar system, and exoplanets is ultimately set by their nascent protoplanetary disks
astrobiology.com
October 20, 2026 at 6:13 PM
astrobiology.bsky.social
astrobiology.com/2026/10/20/s... #astrobiology #astrogeology #exoplanet
SwRI Staff Contribute To New Ideas About Origins Of Uranus And Neptune
Uranus and Neptune are often considered planetary twins due to their many similar characteristics, including size, mass and atmospheric conditions
astrobiology.com
October 20, 2026 at 6:14 PM