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Available for over a year
A leap year means there's an extra day in the calendar - 29 February. Astronomist Daniel Brown from Nottingham Trent University explains why they exist. Image: Getty Images.
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Available for over a year
A leap year means there's an extra day in the calendar - 29 February. Astronomist Daniel Brown from Nottingham Trent University explains why they exist. Image: Getty Images.
Programme Website