Cosmic Dust
  • Jul 16, 2021 8:00 pm
  • 16:05 mins

Regularly, space rocks hit the Earth—hundreds of meteorites crash through Earth’s atmosphere every year. On an even tinier scale, countless grains of dust are falling from space all around us. Geologist Matthew Genge of Imperial College London studies this space dust and its role in the story of the universe. (Originally aired: March 1st, 2021)