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Ancient Asteroid Impact Catalyzed Early Life on Earth

The massive S2 asteroid collision 3.6 billion years ago provided essential nutrients that spurred microbial growth.

Overview

  • The S2 asteroid, significantly larger than the Chicxulub impactor, struck Earth 3.6 billion years ago.
  • The impact caused prolonged tsunamis and intense heat, evaporating parts of the ocean's surface.
  • Geochemical analysis of ancient rocks in South Africa reveals evidence of the asteroid's aftermath.
  • The collision released phosphorus and iron, fostering a bloom of iron-metabolizing bacteria.
  • Researchers suggest that such catastrophic events may have facilitated evolutionary advancements.