Diverse organic molecules on Mars revealed by the first SAM TMAH experiment
21 hours ago
- #NASA
- #Organic Molecules
- #Mars Exploration
- NASA's Curiosity rover identified over 20 organic compounds in Mars rock samples from Gale Crater, including a nitrogen-bearing molecule similar to DNA-building chemicals.
- The discovery, published in Nature Communications, suggests Mars can preserve complex organic material for billions of years, hinting at past habitable conditions, though it's not direct evidence of life.
- Scientists used the Sample Analysis at Mars (SAM) instrument with a chemical called TMAH to break down larger molecules, revealing organic chemistry that might otherwise remain hidden.
- One compound, benzothiophene, is linked to material from meteorites, indicating similar building blocks for life may have rained down on both Mars and Earth.
- The findings could guide future missions to search for organic compounds on Mars and Titan, showing Mars preserves complex organics that might be diagnostic of life.