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Martian Meteorites

All articles tagged with #martian meteorites

science13 days ago•13 min saved

Algerian meteorite fills a 1.27-billion-year gap in Mars' volcanic history

A Martian meteorite found near Rafsa, Algeria (NWA 13441) has been dated to 1.273 ± 0.021 billion years using samarium-neodymium isotopes, placing it in a long gap for shergottites between about 600 million and 2.4 billion years ago. The date is a crystallisation age on Mars, not the time of ejection or Earth arrival, and while it reveals a previously unsampled window in Mars’ magma history, it does not rewrite the planet’s entire history.

via Space Daily|

#mars-mantle #martian-meteorites #nwa-13441

science4 months ago•5 min saved

Ink in Martian Meteorites Triggers Contamination Wake-Up Call for Space Sample Prep

Researchers analyzing Martian meteorites found ballpoint pen ink contamination likely introduced during Earth-based handling, highlighting contamination risks in planetary sample prep and underscoring the need for standardized, contamination-aware protocols as space missions return Martian material.

via The Daily Galaxy|

#contamination #martian-meteorites #planetary-science

space2 years ago•2 min saved

"AI Chemist Paves the Way for Martian Colonization with Oxygen Production"

An AI chemist has made a significant breakthrough in oxygen production on Mars by identifying an efficient catalyst using material present on the Red Planet. By analyzing the composition of Martian meteorites, the algorithm determined the molecules that could be used to create oxygen evolution reaction (OER) catalysts. The resulting catalyst demonstrated excellent performance, operating steadily for over 550,000 seconds and showing no degradation at below-freezing temperatures. This development brings us one step closer to establishing an oxygen factory on Mars and achieving the dream of human colonization. The AI chemist's success opens up possibilities for applying its capabilities to other chemical discovery challenges on Earth.

via IFLScience|

#ai-chemist #catalyst #mars