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What causes the seasons? Earth science

By |2018-04-24T15:45:14+00:00August 20th, 2017|Physics|

This is why it's hotter in summer and colder in winter. The reason it is sometimes winter and sometimes summer is that the Earth spins on a slightly tilted axis. You can see the red axis in the picture here (though really there is no axis to see; it's a direction, not a real stick). [...]