"Why does the Earth spin?" asks Joe Wills from Accra in Ghana.
Hannah quizzes cosmologist Andrew Pontzen about the birth of the Solar System and why everything in space seems to spin. Is there anything in the Universe that doesn't revolve?
BBC weatherman John Hammond explain to Adam how the rotation of the Earth creates our weather systems and the strange things that would happen if we spun the opposite way.
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Presenters: Hannah Fry, Adam Rutherford Producer: Michelle Martin.
