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Red Sky At Night
Why does the sun turn red in the evening? And why does it sometimes seem bigger on the horizon? Toby Marcott of the Βι¶ΉΤΌΕΔ Science Unit looks at the science behind sunsets.
Also on the programme, the laws of aerodynamics that keep planes in the air.
Βι¶ΉΤΌΕΔ World Service Archive
This programme was restored as part of the World Service archive project
