Space: The ultimate intergalactic game show
Brains On! Science podcast for kids
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How Many Satellites Have Been Launched?
It only takes 88 Earth days for mercury to get all the way around the sun. So that means if you lived on mercury, you'd have a birthday every three months. How many satellites have been launched into space? A 600 B 1 million C 11,000 or D 50? The answer is actually C11,000.
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