What Cosmic Dust Can Reveal About Earth's Early Atmosphere

What Cosmic Dust Can Reveal About Earth's Early Atmosphere

Earth has endured, and been shaped by, a constant rain of material from elsewhere in the Solar System. Some of the material was large, like the Chicxulub asteroid that ended the dinosaur's reign. But most of it is in the form of tiny micrometeorites. Those tiny rocks hold clues to Earth's ancient atmosphere.

Cosmic Dust Opens Window On Ancient Atmosphere

Eddie Gonzales Jr. – MessageToEagle.com – Since the beginning of Earth’s history, tiny particles of rock and metal from space have been hitting our planet. On clear nights, we can even see their traces as shooting stars. Trapped in layers of rock, these micrometeorites can remain preserved for billions of years. Since the beginning of […]