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Health & Science3h 24m ago
Grains of stardust 7 billion years old, predating the Sun itself, were found inside the Murchison meteorite that fell in Victoria, Australia, in 1969.
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Murchison, Victoria, Australia
Who
cosmochemist Philipp Heck
What
Grains of stardust 7 billion years old, predating the Sun itself, were found inside the Murchison meteorite that fell in Victoria, Australia, in 1969.
When
Wed, 17 Jun 2026 03:10:14 GMT · 3h 24m ago
Where
Murchison, Victoria, Australia ·
Why
The grains of silicon carbide condensed in dying stars roughly 7 billion years ago and drifted through interstellar space before being swept into the cloud that formed the Sun.
The Frontline Impact
How this affects you
This discovery provides physical evidence that star formation in the galaxy is characterized by bursts, not a constant rate, and offers insights into the conditions before our solar system formed.
Story chain
6 events in this thread- Health & Science3h 24m agoThe Murchison meteorite, which fell in Victoria, Australia, in 1969, contains grains of silicon carbide formed around 7 billion years ago, predating the Sun by 2.5 billion years.Open article
- Health & Science3h 24m agoGrains of silicon carbide found in the Murchison meteorite, which fell in 1969, are 7 billion years old and are the oldest solid material ever held in a human hand.Open article
- Health & Science3h 24m agoIn 1969, a fireball broke over the Victorian town of Murchison and scattered carbon-rich stones across the paddocks, which contain grains of silicon carbide that condensed in dying stars roughly 7 billion years ago.Open article
- Health & Science3h 24m agoThe Murchison meteorite, which fell on an Australian town in 1969, contains grains of silicon carbide dating back roughly 7 billion years, making them older than the Sun and the most ancient solid material ever held in a human hand.Open article
- Health & Science3h 24m agoThe Murchison meteorite contains grains of silicon carbide formed around 7 billion years ago, making them older than the Sun, Earth, or anything else in this solar system.Open article
- Currently Reading3h 24m agoGrains of stardust 7 billion years old, predating the Sun itself, were found inside the Murchison meteorite that fell in Victoria, Australia, in 1969.