Murchison Meteorite
A rock older than the Sun itself, carrying potential seeds of life from beyond our Solar System.
Older than the Solar System
Presolar grains inside the Murchison meteorite formed around dying stars long before the Sun existed. These tiny crystals—some of the oldest solid materials ever found—are physical fragments of stellar generations that came before us. By studying their isotopes, scientists can trace processes from stars that lived and died billions of years prior to Earth's formation.
Unknown Location
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Temporal Context
Comparative Chronology
Carriers of Cosmic Organics
Murchison is loaded with organic compounds, including over 70 different amino acids. Some of these molecules are rare or nonexistent on Earth, suggesting they formed in interstellar space. This supports the idea that the chemistry of life may have begun in the cosmos and been delivered to Earth through meteorites.
Panspermia and Cosmic Seeding
The Murchison meteorite is often cited in discussions about panspermia—the idea that life, or its chemical precursors, might have been seeded on Earth from elsewhere in the galaxy. While the meteorite does not prove life originated beyond Earth, it shows that complex organic chemistry was present in the galaxy long before life emerged here.
The Fall in 1969
Specimen Attributes
The meteorite fell near the town of Murchison in Victoria, Australia, in 1969. The fall was widely observed, and fragments were collected quickly, preserving their scientific value. This rapid recovery allowed researchers to examine extraterrestrial organic material with minimal contamination.
Artifact Profile
Connections Across the Archive
Murchison connects cosmic origins to planetary origins. It formed in ancient stellar environments, survived the birth of the Solar System, and ultimately landed on Earth—bridging the CMB's early universe with the formation of Earth itself.
Data Source: The Human Archives
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