Tag

Jezero Crater

All articles tagged with #jezero crater

science13 days ago•4 min saved

Mars rover reveals ancient lake site was actually a volcanic crossroads for water

NASA’s Perseverance rover has revealed that the 'Margin Unit' in Jezero Crater is not a simple sedimentary lake shoreline, as previously hypothesized from orbital data, but an igneous formation with a complex water history. The rocks, originally formed from cooling magma deep underground, interacted with water at least three distinct times. This discovery suggests the site was a 'crossroads' for diverse aqueous systems, including groundwater and hot springs, rather than just a lakebed. While no direct evidence of life was found, the abundance of carbonates and silicates, which can trap microbial traces, makes the site highly significant for astrobiology. The findings, published in Communications Earth & Environment, highlight that Mars' water history is more dynamic and varied than orbital observations suggested.

via Mashable|

#astrobiology #geology #jezero-crater

science15 days ago•151 min saved

Perseverance Rover Uncovers Hidden Hydrothermal History in Mars' Jezero Crater

NASA's Perseverance rover has revealed that the Margin Unit in Jezero Crater is not a simple sedimentary shoreline but a complex igneous formation that interacted with water at least three times. This discovery, published in Communications Earth & Environment, suggests the site was a 'crossroads' for diverse aqueous systems, including hot groundwater, rather than just a lakebed.

via Space|

#astrobiology #geology #jezero-crater

science17 days ago•4 min saved

Mars rocks rewrite water history at Jezero Crater’s Margin Unit

NASA’s Perseverance rover at Jezero Crater unexpectedly found igneous rocks in the Margin Unit that show water interaction on at least three occasions, overturning the idea that carbonate minerals nearby formed solely from lake conditions. The discovery suggests the Margin Unit was a crossroads for ancient Martian aqueous systems, with olivine-rich rocks and subsequent silica and carbonate formation informing Mars’ early climate and potential habitability and guiding searches for signs of past life.

via BBC Sky at Night Magazine|

#jezero-crater #margin-unit #mars

space1 month ago•3 min saved

Mars Riverbeds Reveal Complex Organics, Raising Life-Hunt Prospects

NASA’s Perseverance rover detected hundreds of macromolecular carbon molecules in mudstones from an ancient Jezero Crater river channel, with SHERLOC identifying carbon in both sedimentary minerals and in later-formed carbonate and sulfate minerals. The carbon appears to have been incorporated during deposition and later groundwater alteration. While intriguing, the findings do not prove life and could arise from non-biological processes; scientists plan Earth-based analysis of cached samples to distinguish biology from geology.

via BBC Sky at Night Magazine|

#astrobiology #jezero-crater #macromolecular-carbon

science1 month ago•55 min saved

Martian Gem Found: Perseverance Detects Corundum in Jezero Rocks

NASA's Perseverance rover used time-resolved luminescence spectroscopy to identify corundum, a gemstone mineral that forms rubies and sapphires, in three plagioclase-rich float rocks at Jezero Crater—marking the first detection of corundum on Mars and suggesting formation under heat and fluids possibly tied to the crater's ancient impact; findings published in Geophysical Research Letters highlight new clues about Mars' geological history and the potential for sample-return studies.

via Yahoo|

#corundum #gemstone #jezero-crater

science1 month ago•7 min saved

First Martian Corundum Detected: Tiny Gem Grains in Jezero Crater Rocks

NASA's Perseverance rover identified chromium-bearing corundum grains (the mineral behind rubies and sapphires) in three plagioclase-rich float rocks at Jezero Crater using time-resolved luminescence spectroscopy, marking the first detection of corundum on Mars. The grains imply aluminum-rich, silicon-poor chemistry likely formed during ancient impacts or hydrothermal activity; spectral matches to Earth corundum suggest a surprising Martian geology, and returning a sample could confirm exactly how this mineral formed.

via ScienceAlert|

#corundum #jezero-crater #mars

space2 months ago•4 min saved

Mars Dust Devils Duel: Perseverance Captures One Swallowing Another

NASA’s Perseverance rover captured a dramatic Martian dust devil overtaking and swallowing a smaller one near Jezero Crater: the larger vortex was about 65 meters wide while the smaller was around 5 meters. Dust devils are common on Mars and contribute roughly half of the planet’s atmospheric dust, so observing their interactions helps scientists map wind patterns and Martian weather, with each event lasting about ten minutes.

via futura-sciences.com|

#dust-devils #jezero-crater #mars

space2 months ago•11 min saved

Mars rocks harbor robust organic carbon, but life remains unproven

NASA’s Perseverance rover has detected macromolecular carbon—durable, complex organic matter—in two ancient mudstones in Jezero crater, identified by the SHERLOC spectroscopy instrument. The rocks—Cheyava Falls and a formation at the Bright Angel outcrop—show organics associated with different mineral settings, suggesting multiple organic-forming processes over time. While this represents the most extensive organic detection on Mars to date, the findings do not prove biology; the origin could be abiotic. Also, a 2026 funding shift means Mars Sample Return is unlikely this decade, so the cores remain on Mars for now.

via Space Daily|

#jezero-crater #macromolecular-carbon #mars

space2 months ago•18 min saved

Mars rocks reveal strongest carbon hint yet toward ancient life, but not proof

NASA's Perseverance rover found macromolecular carbon on bare rocks at Jezero crater's Bright Angel outcrop—the richest, most complex carbon yet detected on Mars—an intriguing hint toward past life, but not proof since it could be abiotic; confirming its origin will require Earth-based analysis of returned samples, with Cheyava Falls slated for return but subject to program changes. The carbon shows up across multiple rocks and settings, suggesting Mars’ ancient environment may have supported carbon-based chemistry beyond a single site.

via Earth.com|

#astrobiology #jezero-crater #macromolecular-carbon

science3 months ago•3 min saved

Ancient Martian mudstones reveal organic carbon, fueling habitability debate

NASA’s Perseverance rover studied mudstones in Jezero Crater and found macromolecular carbon in two rocks, Cheyava Falls and Walhalla Glades. The carbon shows similarities to Earth carbon from both biotic and abiotic processes, offering clues about Mars’ ancient habitability but not proof of life; scientists say sample return to Earth is needed for definitive testing.

via Dawn|

#biosignature #jezero-crater #macromolecular-carbon

space-exploration3 months ago•100 min saved

Mars Orbiter Captures Perseverance Completing a Martian Marathon

NASA’s Mars Reconnaissance Orbiter captured Perseverance finishing the 26.2-mile Martian marathon in Jezero Crater on June 14, 2026, a milestone that accompanies the rover’s ongoing science—imagery, samples and potential biosignatures—with a orbital perspective on its continued exploration; nearby, Opportunity also reached marathon distance in more than a decade of driving.

via Space|

#jezero-crater #mars #mars-reconnaissance-orbiter

science3 months ago•10 min saved

Perseverance Finishes Martian Marathon, Captured by Orbiting HiRISE

NASA's Perseverance rover completed a Martian marathon by driving 42.195 km in about five years and four months, a milestone visible in a HiRISE image from Mars orbit that shows the rover as a blue‑green dot with its looping wheel tracks near Jezero Crater.

via NDTV|

#hirise #jezero-crater #mars

science3 months ago•12 min saved

Martian Leopard Spots Spark Astrobiology Debate in Jezero Crater

Perseverance drilled Cheyava Falls in a Jezero Crater mudstone and found organic carbon intertwined with iron-rich minerals forming “poppy seeds” and “leopard spots.” The minerals, vivianite (iron phosphate) and greigite (iron sulfide), are often linked to microbial activity on Earth, but abiotic processes could explain them too. While the finding is intriguing and helps contextualize ancient Martian habitability, it stops short of life detection and highlights the need for detailed terrestrial analysis of returned samples.

via Space Daily|

#astrobiology #biosignatures #jezero-crater

science3 months ago•82 min saved

Martian organics, two-liquid water and all-female Homo naledi headline this week’s science news

NASA’s Perseverance rover has found the highest concentration of complex organic molecules to date in Jezero crater, hinting at past microbial life on Mars; JWST observations show early galaxies forming and dying quickly, a newborn star was seen in Orion, and Euclid produced the Milky Way’s most detailed image yet. In paleoanthropology, nearly two dozen Homo naledi skeletons from Rising Star cave are all female. Closer to home, AI-assisted research adds support to the idea that water may consist of two interconverting liquids.

via Live Science|

#homo-naledi #jezero-crater #mars

space3 months ago•3 min saved

Mars Rock Reveals Complex Organics: Fresh Clues in Jezero Crater

NASA’s Perseverance rover detected macromolecular carbon (MMC), a complex organic matter, in two Bright Angel mudstones at Jezero crater using the SHERLOC instrument, marking the most robust organic signal there to date and the first MMC identified on Martian rock surfaces. While intriguing, MMC can form through both biological and non-biological processes, so this does not prove past life; definitive testing would require returning samples to Earth, a plan hampered by political issues. Curiosity has also found organics elsewhere on Mars, underscoring ongoing interest in whether ancient microbes once inhabited the planet.

via Futurism|

#jezero-crater #mars #organics