Astronomy

Today You Should Know answers your curious questions about how the world works. Here's everything we've covered (so far) on the topic of astronomy. Whether you're interested in learning what a black hole is or whether stars actually twinkle, there will definitely be something that satisfies your curiosity about how the world works.

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Why does the sky turn pink at sunset?
Why does the sky turn pink at sunset?

Don't miss the science behind nature's best Instagram filter.

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How can we see the Milky Way if we are in it?
How can we see the Milky Way if we are in it?

Imagine the Milky Way galaxy like a stack of pancakes.

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What causes the Earth to spin?
What causes the Earth to spin?

The original spin move.

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Why do stars twinkle? And do stars actually twinkle?
Why do stars twinkle? And do stars actually twinkle?

Get ready for some scintillating knowledge!

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How did early Polynesian explorers find islands?
How did early Polynesian explorers find islands?

No radio, no compass, no maps. How ancient explorers found islands in the middle of nowhere.

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What is a black hole?
What is a black hole?

Chances are it’s probably not a wormhole.

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