description Murchison Overview
The Murchison meteorite is a carbonaceous chondrite that fell near Murchison in Victoria, Australia, in 1969. Classified as a CM2 meteorite, it contains abundant organic compounds, including numerous amino acids, and has been studied extensively in research on prebiotic chemistry. Its chemically primitive material helps scientists investigate processes that occurred early in the Solar System and the possible delivery of organic molecules to the young Earth.
insights Ranking position
Murchison ranks #1 of 213 in the Meteorite ranking, ahead of Allende.
help Murchison FAQ
What happened when the Murchison meteorite fell in Australia?
Murchison broke apart over Victoria, Australia, on September 28, 1969, scattering fragments around the town whose name it now bears. Rapid recovery limited contamination and gave researchers unusually useful material for chemical analysis.
Does Murchison contain evidence of extraterrestrial amino acids?
Yes, laboratory studies have identified a broad mixture of amino acids in Murchison, including compounds uncommon on Earth. Their isotopic signatures and varied molecular handedness support an extraterrestrial origin rather than simple modern contamination.
Did Murchison contain life?
No confirmed organism or fossil life has been found in the meteorite. Its organic molecules show that prebiotic chemical ingredients can form beyond Earth, but molecules such as amino acids are not themselves living things.
How old is the stardust found inside Murchison?
Some presolar grains in Murchison formed before the Sun and were later incorporated into the meteorite's parent material. Research published in 2020 estimated that some grains could be around 7 billion years old, substantially older than the solar system.
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