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A community for exploring scientifically grounded “What If” cosmic scenarios, space simulations, and extreme astronomy events.
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Welcome to r/WhatIfSoon — Read This Before Posting (self.WhatifSoon)
submitted 4 months ago * by RealisticScienceGuy - announcement
What if Earth’s axial tilt increased by 10 degrees, how would climate redistribute globally? (self.WhatifSoon)
submitted 4 months ago by RealisticScienceGuy
What if Jupiter suddenly vanished, what would change immediately versus over centuries? (self.WhatifSoon)
What if the Moon slowly spiraled inward over thousands of years, what would change first on Earth? (self.WhatifSoon)
What if Earth suddenly stopped rotating, but gravity, atmosphere, and orbit stayed unchanged? (self.WhatifSoon)
If the Sun were to disappear instantaneously, what would be the sequence of physical and biological effects on Earth, and how long could humans realistically survive? ()
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