Newly-noticed exoplanet may be the Earthiest yet

https://boingboing.net/2026/01/28/newly-noticed-exoplanet-may-be-the-earthiest-yet.html

#space #astronomy #cosmology #astrophysics #astrobiology #planetaryscience #exoplanets

Jupiter in a Lab

The vivid bands of a gas giant like Jupiter come from the planet’s combination of rotation and convection. It’s possible to create the same effect in a lab by rapidly spinning a tank of water around a central ice core. That’s the physical set-up behind this research poster–note the illustration in the lower right corner. The central snapshots show how temperature gradients on the water surface change the faster the tank rotates. At higher rotational speeds, the parabolic water surface gets ever steeper and Jupiter-like temperature bands form. (Image credit: C. David et al.)

Data from NASA’s #Juno spacecraft reveals that the rigid, conductive outer ice shell of Jupiter’s moon #Europa is approximately 29 kilometers thick.
#PlanetaryScience #Astrobiology #sflorg
https://www.sflorg.com/2026/01/ps01282601.html

#PPOD: A green and red aurora streams across Earth’s horizon above the city lights of Europe in this Jan. 19, 2026, photograph, which looks north across Italy toward Germany. The International Space Station was orbiting 262 miles above the Mediterranean Sea at approximately 10:02 p.m. local time when the image was captured. Credit: NASA/Chris Williams

#planetaryscience #space #science

#PlanetaryScience #Astronomy

Here is a direct link to what went to someone's BlueSky account before. It is about Neptune's supposedly black ice core and how that affects its magnetism.

https://www.sciencealert.com/hot-black-ice-might-be-responsible-for-neptunes-wild-magnetism

Even if this turns out to be wrong, it is so wild that I want it to be true.

https://fed.brid.gy/r/https://bsky.app/profile/did:plc:zhq4wxlxtiwc2hznld4w364j/post/3mdginj2jkf27

#Space #PlanetaryScience

We Finally Know What Jupiter’s Core Looks Like
NASA’s Juno mission has shattered our expectations of the Gas Giant’s interior. Instead of a solid rocky heart, Jupiter possesses a "fuzzy" or dilute core that gradually blends into its hydrogen layers. This "dilute core" suggests a violent history of massive planetary collisions that permanently scrambled the planet's innards.
#Jupiter #JunoMission #NASA #Astronomy #SpaceDiscovery #PlanetaryScience #GasGiant
https://www.thefuturist.co/we-finally-know-what-jupiters-core-looks-like/

A systematic analysis has identified approximately 400 bright slope streaks, or "lineae," on #Mercury , indicating the #planet is currently geologically active through the outgassing of subsurface volatiles.
#PlanetaryScience #sflorg
https://www.sflorg.com/2026/01/ps01272601.html

#PPOD: These observations of Jupiter’s auroras were captured with JWST's Near-InfraRed Camera (NIRCam) on 25 December 2023 (F335M filter). Scientists found that the emission from the trihydrogen cation, H3+, is far more variable than previously believed. H3+ is created by the impact of high-energy electrons on molecular hydrogen. Credit: ESA/Webb, NASA, CSA, J. Nichols(University of Leicester), M. Zamani (ESA/Webb)

#planetaryscience #space #science

Extraterrestrial sample curation (Planetary science 🪐)

The curation of extraterrestrial samples obtained by sample-return missions takes place at facilities specially designed to preserve both the sample integrity and protect the Earth. Astromaterials are classified as either non-restricted or restricted, depending on the nature of the Solar S...

https://en.wikipedia.org/wiki/Extraterrestrial_sample_curation

#ExtraterrestrialSampleCuration #Astrobiology #PlanetaryScience #SampleReturnMissions

Des éclairs sur Mars détectés pour la première fois. La planète rouge électrise les scientifiques ! theconversation.com/des-eclairs-... #Space #Science #Innovation #Astrophysics #PlanetaryScience #MarsLightning #RedPlanet

Des éclairs détectés sur Mars ...

Des éclairs sur Mars détectés pour la première fois. La planète rouge électrise les scientifiques ! https://theconversation.com/des-eclairs-detectes-sur-mars-pour-la-toute-premiere-fois-272864 #Space #Science #Innovation #Astrophysics #PlanetaryScience #MarsLightning #RedPlanet

Approval to Exceed GSA Lodging for LPSC 2026 http://dlvr.it/TQW6xN #ForResearchers #GrantsOpportunities #LunarScience #PlanetaryScience

Approval to Exceed GSA Lodging for LPSC 2026

https://fed.brid.gy/r/https://science.nasa.gov/science-research/for-researchers/approval-to-exceed-gsa-lodging-for-lpsc-2026/

Approval to Exceed GSA Lodging for LPSC 2026 https://science.nasa.gov/science-research/for-researchers/approval-to-exceed-gsa-lodging-for-lpsc-2026/ #NASA #ForResearchers #GrantsOpportunities #LunarScience #PlanetaryScience #ScienceMissionDirectorate

#PPOD: Every spring and summer in the southern part of Mars, the Arsia Mons Elongated Cloud (AMEC) forms daily above the surface, as seen here by ESA's Mars Express orbiter. The cloud rapidly stretches out for hundreds of kilometers before fading away in a few hours. Strangely, Arsia Mons is the only volcano at low-latitudes to create such a cloud. Credit: ESA / DLR / FU Berlin / A. Cowart

#planetaryscience #space #science

This research fills a critical "missing link" in #planetary science, offering a comparative lens to understand the history of our own Solar System—specifically the #Kuiper Belt and the Moon's cratering—while helping scientists determine if our system's chaotic evolution is unique or a cosmic norm.
#Astronomy #PlanetaryScience #sflorg
https://www.sflorg.com/2026/01/astr01202601.html

Over the years, passing #spacecraft have observed mystifying weather patterns at the poles of #Jupiter and #Saturn The two #planets host very different types of polar vortices, which are huge #atmospheric whirlpools that rotate over a planet’s polar region
#PlanetaryScience #Atmospheric Physics #sflorg
https://www.sflorg.com/2026/01/ps0192601.html

Mars Can Actually Trigger Ice Ages on Earth Despite Being Millions of Miles Away

https://www.zmescience.com/science/news-science/mars-can-actually-trigger-ice-ages-on-earth-despite-being-millions-of-miles-away/

#space #astronomy #cosmology #planetaryscience #mars

China advances plans for dual solar system boundary missions

https://fed.brid.gy/r/https://spacenews.com/china-advances-plans-for-dual-solar-system-boundary-missions/