TL;DR
This paper proposes a hypothesis that Venus may have supported complex life, which could have been transferred to Earth, explaining rapid evolutionary pulses and genetic diversity observed in early Earth's history.
Contribution
It introduces the Venus Hypothesis suggesting Venus's past habitability and potential role in the evolution of life on Earth, a novel perspective in planetary biology.
Findings
Venus may have been habitable in the past.
Complex life could have evolved on Venus and transferred to Earth.
This model explains rapid evolutionary pulses and genetic diversity in early Earth.
Abstract
Current models indicate that Venus may have been habitable. Complex life may have evolved on the highly irradiated Venus, and transferred to Earth on asteroids. This model fits the pattern of pulses of highly developed life appearing, diversifying and going extinct with astonishing rapidity through the Cambrian and Ordovician periods, and also explains the extraordinary genetic variety which appeared over this period.
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Taxonomy
TopicsPlanetary Science and Exploration · Space Exploration and Technology · Astro and Planetary Science