Murchson Chondrite is a carbonaceous meteorite that fell in a small town called Murchson in Victoria, Australia, on September 28, 1969. It is believed to be one of the most primitive meteorites to fall on earth. Amino acides found in Murchison differ in structures from amino acids found on Earth. While the carbon atom in the carboxylic acid and amion group of biological terrestrial amino acids have a hydrogen atom attached to it, the Murchison's amino acids have a methyl group instead.
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Chirinos, Marisol, "Murchison Chondrite" (2014). Natural Sciences Student Research Presentations. 60.