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Meteorite contained oldest material on Earth

Scientists unveil stardust from billions of years ago.

Dust-rich outflows of evolved stars similar to the pictured Egg Nebula are plausible sources of the large presolar silicon carbide grains found in meteorites like Murchison.
Dust-rich outflows of evolved stars similar to the pictured Egg Nebula are plausible sources of the large presolar silicon carbide grains found in meteorites like Murchison. Credit: Image courtesy NASA, W. Sparks (STScI) and R. Sahai (JPL).