Planetary collision that formed the moon made life possible on Earth: Study: Planetary delivery explains enigmatic features of Earth's carbon and nitrogen

Planetary collision that formed the moon made life possible on Earth: Study: Planetary delivery explains enigmatic features of Earth's carbon and nitrogen

Most of Earth's life-essential elements probably arrived with the planetary collision that produced the moon. Petrologists now conclude Earth most likely received the bulk of its carbon, nitrogen and other life-essential volatile elements from a collision with a Mars-sized planet more than 4.4 billion years ago.

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