Trust the scientists to crunch all the equations.
Santa’s going to fly really quickly, at the same speed as a satellite – around 28 000 km per hour. He will only deliver presents when he flies from the North Pole to the South Pole. On the way back, he will radio his elves, or use old-fashioned magic, to remind them which presents to load when he gets back home.
He’ll be very easy to spot because his sleigh is at least 250 metres long. That’s longer than two football fields, and it’s full of millions of presents. The reindeer
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