Tag

Martian Geology

All articles tagged with #martian geology

space23 days ago•3 min saved

Martian Footprint Lookalikes Uncovered by Curiosity in Mount Sharp Bedrock

NASA’s Curiosity rover photographed broad, shallow pits in Mount Sharp’s bedrock that resemble footprints, but scientists say they’re weathering pits created when resistant nodules or pebbles erode away. MAHLI, Mastcam, and ChemCam captured stereo mosaics and helped build a digital elevation model to study the rock’s stratigraphy. There’s no evidence of a Martian creature—the “footprints” are geological features; earlier so‑called jellyfish sightings were likely camera artifacts. The rover, now in its 14th year, also continues to reveal intriguing Martian geology, including honeycomb-like polygons in the Antofagasta crater.

via PetaPixel|

#curiosity-rover #mars #martian-geology

space5 months ago•74 min saved

Mars Express spots ancient ocean clues in Utopia Planitia

European Space Agency’s Mars Express has captured high‑resolution images of Utopia Planitia showing dark, ancient volcanic ash spreading across the northern Martian plain. The new views—comparing with 1970s Viking data—suggest Mars’ surface features can change over decades, possibly due to wind redistributing ash or exposing underlying material. The imagery also highlights subsurface ice and ice-rich permafrost beneath the plains, along with tectonic features like grabens and scalloped depressions that trace Mars’ dynamic geology and the past presence of a large body of water in this region billions of years ago.

via Space|

#ancient-ocean #mars #mars-express

science6 months ago•5 min saved

Curiosity Detects Pure Sulfur in Martian Rock, Sparking Geological Riddles

NASA’s Curiosity rover uncovered pure elemental sulfur crystals in a rock within the Gediz Vallis Channel on Mars, a rare find that could reshape ideas about the planet’s geology and past water activity.

via The Daily Galaxy|

#curiosity #gediz-vallis-channel #mars

science10 months ago•3 min saved

NASA Rover Detects First Lightning on Mars

NASA's Perseverance rover on Mars has recorded evidence of lightning, a first for the planet, primarily associated with dust devils and dust storm fronts, through electromagnetic and acoustic signatures. Additionally, studies of Martian caves suggest past liquid water activity, revealing new insights into the planet's geology.

via Boing Boing|

#dust-devils #lightning #mars

science1 year ago•3 min saved

NASA's Perseverance Finds Mysterious Structures and Signs of Ancient Life on Mars

NASA's Perseverance rover captured an image of a helmet-shaped, volcano-like rock on Mars, composed mainly of spherules, which has intrigued scientists as they analyze its formation and what it reveals about Martian geological history.

via Space|

#helmet-shaped-rock #mars #martian-geology

science1 year ago•5 min saved

Perseverance Rover Explores Ancient Martian Terrain for Signs of Life

The Perseverance rover has reached the top of Jezero Crater on Mars, preparing to study some of the planet's oldest rocks to uncover its early history and potential for ancient life. After a challenging ascent, the rover will begin its "Northern Rim" campaign, exploring new geological sites and collecting samples. This mission aims to investigate rocks from Mars' early crust, offering insights into the planet's past environments and the solar system's formation. The discovery of quartz rocks suggests possible ancient habitable environments, similar to Earth's hot springs.

via CNN|

#jezero-crater #mars #martian-geology

science1 year ago•4 min saved

China's Rover Uncovers Clues of Ancient Martian Ocean

China's Zhurong rover has identified features on Mars that suggest the presence of an ancient ocean in the planet's northern hemisphere, supporting the hypothesis that Mars once had significant bodies of water. The findings, based on geological observations and remote sensing data, indicate that this ocean existed around 3.68 billion years ago. While some scientists remain skeptical, the discovery adds to the understanding of Mars' water history and its potential to have supported microbial life. Future Mars sample return missions, including China's Tianwen 3, aim to provide more definitive evidence.

via Livescience.com|

#ancient-ocean #mars #martian-geology

science1 year ago•4 min saved

China's Zhurong Rover Uncovers Evidence of Ancient Martian Ocean

China's Zhurong Mars rover has discovered features that suggest the presence of an ancient ocean in Mars' northern hemisphere, supporting the hypothesis that a large body of water once existed there billions of years ago. The rover's findings, which include crater-like cones and sediment channels, indicate a possible ancient shoreline. This discovery adds to the understanding of Mars' water history and its potential to have harbored life. Future Mars sample return missions, including China's Tianwen 3, aim to provide more definitive evidence by bringing Martian samples back to Earth for detailed analysis.

via Space.com|

#ancient-ocean #mars #martian-geology

science2 years ago•6 min saved

"Discovery of Massive Volcano on Mars Sends Shockwaves Through Scientific Community"

New research suggests the presence of a massive volcano on Mars, taller than Mount Everest, hidden within the Noctis Labyrinthus region. The discovery, if confirmed, could significantly impact scientists' understanding of Martian geology and attract future exploratory missions to search for water ice and signs of life. The research team's findings, presented at a planetary science conference, have sparked both excitement and skepticism within the scientific community, with further study and peer-reviewed papers needed to validate the existence of this potential Martian volcano.

via CNN|

#mars #martian-geology #planetary-science

space-science2 years ago•5 min saved

"Unveiling Noctis: The Massive Martian Volcano Hidden for Decades"

A giant volcano, named Noctis Volcano, taller than Mount Everest has been discovered on Mars, overlooked for 50 years since it was first captured in images by Mariner 9 in 1972. The volcano's collapsed shape and eroded appearance made it go unnoticed. The discovery suggests the presence of a glacier ice sheet and potential for water and heat, making it a prime location to search for signs of life on Mars. The finding has increased interest in exploring the area further, with potential implications for future rover and human landing missions.

via IFLScience|

#mars #martian-geology #noctis-volcano