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Stephen Kane

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Simulations suggest Venus lost its moon to tidal forces, not a catastrophic event
space-science1 month ago

Simulations suggest Venus lost its moon to tidal forces, not a catastrophic event

A new study by Stephen Kane and colleagues suggests Venus likely had a moon that was destroyed by tidal forces rather than a catastrophic impact. Simulations show that depending on Venus's early rotation speed and the moon's mass, the satellite would have either survived for billions of years or spiraled inward to be torn apart. The research indicates Venus's current moonless state is a predictable outcome of orbital mechanics, not a rare anomaly.

Venus likely consumed its own moon billions of years ago, new simulations suggest
space1 month ago

Venus likely consumed its own moon billions of years ago, new simulations suggest

A new study led by Stephen Kane suggests Venus may have had a moon for up to 1.7 billion years before tidal forces caused it to spiral inward and be destroyed. The research indicates that Venus's slow rotation reversed the moon's outward migration, leading to its collapse into the planet. This event may have contributed to Venus's runaway greenhouse effect and loss of water, though direct evidence remains elusive due to the planet's volcanic resurfacing.