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SETI Researchers Link Titan and Saturn’s Rings to Moon Collision
A collision between two moons likely formed Titan and destabilized inner moons, creating Saturn’s rings about 100 million years ago, SETI researchers say.
- Researchers posted on arXiv this week that Titan likely formed from a moon collision, led by Matija Cuk, a research scientist at the SETI Institute.
- To explain puzzling observations, the team combined earlier theories, Cassini spacecraft data and computer simulations to develop the collision scenario, saying it explains Titan's crater count and orbit.
- The model shows Proto-Titan nearly as large as Titan and Proto-Hyperion, a smaller moon about 5% of Titan's diameter, as collision participants.
- NASA's Dragonfly mission, scheduled to arrive at Titan in 2034, offers a way to test the hypothesis with in-situ sampling, the study says.
- The researchers link the impact's aftermath to the rings forming about 100 million years later and propose it explains Saturn's axial tilt, wobble, and Neptune's orbital resonance, reshaping late-stage satellite evolution.
16 Articles
16 Articles
Among the 274 known satellites of Saturn, Titan is from the most impressive distance. He is larger than the Mercure planet and has a dense atmosphere. The information transmitted by the Cassini probe (2004 – 2017) has gone into two unexpected details: Titan is separated from his planet by 11 centimetres per year (more quickly than it is believed), and Saturn has an axial inclination of 26.7 degrees, a phenomenon that has long been ignored by the…
Two became one: The great Saturn moon Titan could have been caused by a catastrophic collision. The proto-titan and a smaller moon collided and merged with each other. This collision about 400 million years ago could explain why the orbit of Titan is still changing. Also, the small age of the Saturn rings and the eccentric orbit of the small Saturn moon Hyperion could go back to this lunar catastrophe. Saturn is by far the most moon-rich planet …
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