Investigation
Did Venus once move through the Solar System like a comet?
Challenges
Terrestrial-planet formation models and Venus's long geologic evolution place the planet in the early Solar System rather than as a recent comet-like arrival.
Canonical Source · peer reviewed study
Long-lived volcanic resurfacing of Venus driven by early collisions
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Evidence context
How this source is used
Evidence roles describe what this source helps establish inside each Investigation. They are local to that use, not permanent labels attached to the publication itself.
Investigation
Was Venus expelled from Jupiter?
Challenges
Venus geology records long-term planetary evolution; even its relatively young visible surface is hundreds of millions of years old, far older than a historical-age ejection.
Subject families