Lobate features found on high-latitude slopes on Mars resemble terrestrial cold-climate soil patterns known as solifluction lobes.
geology
Posted inAstrochemistry, Astrogeology, Atmospheres, Climate, Weather, Gaia - Planetary Perspectives, Mars, Moon, Status Report
Earth’s Composition: Origin, Evolution and Energy Budget
One in every two atoms in the Earth, Mars, and the Moon is oxygen; it is the third most abundant element in the solar system.
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Habitable Zones, Icy Worlds, Impact events, Mars, Meteorites & Asteroids, Status Report
Hydrothermal Activity Generated By Impact Melt Emplacement On The Rim Of Ritchey Crater, Mars
Impact-induced hydrothermal systems have the potential to sustain long-lived aqueous environments throughout the history of Mars, yet their nature and distribution are not well-understood.
Posted inAway Teams & Field Reports, Biogeochemical Cycles & Geobiology, Lava / magma ocean / Volcanic Worlds, Mapping, Geodesy, Cartography, Bathymetry, Press Release, ROVs/Submersibles/Diving, Water/Hycean Worlds & Oceanography
Solving One Of Earth’s Ancient Volcanic Mysteries
Geologists led by the University of Maryland and the University of Hawaiʻi finally connected the dots between one of the largest volcanic eruptions in Earth’s history and its source deep […]
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Lava / magma ocean / Volcanic Worlds, Mapping, Geodesy, Cartography, Bathymetry, Status Report
Atmospheric C/O Ratios Of Sub-Neptunes With Magma Oceans: Homemade Rather Than Inherited
Recently, the James Webb Space Telescope has enabled detailed spectroscopic characterization of sub-Neptune atmospheres.
Posted inBiogeochemical Cycles & Geobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Imaging & Spectroscopy, Impact events, Mapping, Geodesy, Cartography, Bathymetry, Mars, Status Report
Mars Mapping: Gullies On The Northern Crater Slope In Terra Sirenum
This approximately 60-kilometer diameter crater is located in Terra Sirenum in the Southern Highlands of Mars. The crater is gullied on its north, west and southwest slopes and numerous deposits […]
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Mapping, Geodesy, Cartography, Bathymetry, Mars, Press Release, Water/Hycean Worlds & Oceanography
Rain And Snow Fell On Ancient Mars
Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to feed hundreds of lakes.
Posted inAstrogeology, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Mars, Press Release
New Study Unveils Volcanic History And Clues To Ancient Life On Mars
In a groundbreaking study co-authored by a Texas A&M University scientist, researchers have revealed new insights into the geological history of Mars’ Jezero Crater, the landing site of NASA’s Perseverance […]
Posted inAstrochemistry, Astrogeology, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Meteorites & Asteroids, Status Report
The Source Of Hydrogen In Earth’s Building Blocks
Due to their isotopic similarity to terrestrial rocks across a range of elements, the meteorite group that is thought to best represent Earth’s building blocks is the enstatite chondrites (ECs).
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astrogeology, Biogeochemical Cycles & Geobiology, Cryobiology, Habitable Zones, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Missions & Hardware, Press Release, Robotics/Rovers/UAVs, Titan
The Mystery Of Titan’s Missing Deltas
For scientists who want to learn about the geological history of a planet, river deltas are a great place to start. Deltas gather sediment from a large area into one […]