Counting Stars with the Cows
Bedtime Math fan Liam F. asked us a great double-question: how many stars are in the universe, and how many can we see? Read on
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Bedtime Math fan Liam F. asked us a great double-question: how many stars are in the universe, and how many can we see? Read on
A lot happens in one year. But just how much happens in one second? How far does the Earth travel? How many babies are born?
When it’s really clear at night and there aren’t a lot of lights around, you can look up at the sky and see lots and
