A scanning electron micrograph of a dated presolar silicon carbide grain, which measures about 8 micrometres in its longest dimension. Image: Janaína N. Ávila via AFP

Oldest stuff on Earth found inside meteorite that hit Australia

  • Tiny dust grains trapped inside fragments date from about 7 billion years ago, long before our solar system was formed
  • Meteorite crashed into town of Murchison in a fireball in 1969
Topic |   Space
A scanning electron micrograph of a dated presolar silicon carbide grain, which measures about 8 micrometres in its longest dimension. Image: Janaína N. Ávila via AFP
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