Fri, 29, March, 2024, 4:17 pm

Oldest material on Earth discovered

Oldest material on Earth discovered

Shawdesh desk: Scientists analysing a meteorite have discovered the oldest material known to exist on Earth.

They found dust grains within the space rock – which fell to Earth in the 1960s – that are as much as 7.5 billion years old.

The oldest of the dust grains were formed in stars that roared to life long before our Solar System was born.
A team of researchers has described the result in the journal Proceedings of the National Academy of Sciences.

Scientists analysing a meteorite have discovered the oldest material known to exist on Earth.

When stars die, particles formed within them are flung out into space. These “pre-solar grains” then get incorporated into new stars, planets, moons and meteorites.

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