Can a planet with only one pole cap exist?
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I am imagining a planet more or less earth like. I would like it to have only one pole cap, so only the southern hemisphere has a snow-covered continent. The trick is, I don't want it to lie completely on its rotational axis because that would cause the days be as long as seasons (please correct me if I'm wrong). Days should actually be more or less like the ones on Earth.
Would there be some geological phenomena that would prevent an ice cap from forming? A warm current maybe? Or something in the atmosphere? Thank you!
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