[Icarus] Interpreting Enceladus’s past and present surface history and interior state remains challenging, owing to uncertain prescription of its impact bombardment history and limited interpretation of its crater statistics.
Caves, Craters, Mountains, Subsurface, Lava Tubes
Posted inGaia - Planetary Perspectives
Global Carbon Fixation In Earth’s Subsurface Biosphere
[biorxiv.org] The subsurface of our planet hosts 15% of Earth’s biomass and plays a key role in mediating the exchange of volatiles and elements between deep, long-residence-time geological reservoirs and […]
Posted inMoon
Potential Survivable Niches For Microbial Life On The Lunar South Pole
[astro-ph.EP]. Most lunar surface conditions are incredibly harsh for microbial survival. High ultraviolet radiation, temperatures, and energetic particle radiation limit survival over most unprotected lunar surfaces, particularly in equatorial regions […]
Posted inExtremeophiles and Extreme Environments
Antarctica Is Home To Microbes Found Nowhere Else On Earth
[CU Boulder] Scientists have often wondered about species that are unique to Antarctica. But the focus has mainly been on animals, like cute feathery penguins. But CIRES researchers wanted to […]
Posted inRobotics/Rovers/UAVs
Robotic Lava Tube Mapping And Multimodal Data Collection Using Quadruped And LiDAR
[Frontiers in Robotics and AI]. As part of TU Delft Rhizome 2.0 and Moonshot projects, focusing on the development of extraterrestrial habitats in lava tubes, the robotic mapping of an […]
Posted inMars
Gullies At The Start Of Martian Spring
HiRISE regularly takes repeat images of gullies to look for changes. This site is one of the most frequent monitoring sites, with more than 70 images to date. It is […]
Posted inPlanetary Protection & Biosafety
Human-Related Microbes May Survive At The Moon’s South Pole
[NASA] Some of Earth’s microbes likely to hitch a ride to space with human explorers could survive in the shaded nooks and crannies of the Moon’s South Pole region, NASA […]
Posted inMars
A Mars Impact Crater Surrounded By Chunks Of Water Ice
[NASA] Boulder-size blocks of water ice can be seen around the rim of this giant meteoroid impact crater on Mars, as viewed by the High-Resolution Imaging Science Experiment (HiRISE camera) […]
Posted inEnceladus
The Enceladian Crater Production Function
[astro-ph.EP]. Interpreting Enceladus’s past and present surface history and interior state remains challenging, owing to uncertain prescription of its impact bombardment history and limited interpretation of its crater statistics. Further […]
Posted inRobotics/Rovers/UAVs
Solid-state Propulsion for Autonomous Reconnaissance of Karst (SPARK)
[NASA/NIAC] While karst terrain and subsurface caves are sites of immense scientific value on bodies like Titan, they are difficult or impossible to safely explore using current methods.