Mmastodon ScienceScience first seen 11 d ago, last 11 d ago, peak #2
The Building Blocks of Life May Not Have Come by Comet
Original: The Components for Life May Not Have Arrived By Comet https:// hackaday.com/2026/11/03/the-co mponents-for-life-may-not-
New discussion suggests the chemical components needed for life may not have been delivered to Earth by comets, challenging a long-standing hypothesis about the origin of life's ingredients. Commenters in science communities are debating what alternative sources, such as Earth's own chemistry, could explain the emergence of organic molecules needed for abiogenesis.
Why now: Fresh coverage questioning a popular comet-delivery hypothesis has sparked debate in science communities about how life's building blocks actually arrived on Earth.
Evidence
- The Components for Life May Not Have Arrived By Comet https:// hackaday.com/2026/11/03/the-co mponents-for-life-may-not-have-arrived-by-comet/ # Science # Abiogenesis # Comet · 13@2137.social · 2
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