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This Toxic Liquid Telescope from the 1850s Is Finally Useful

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About this video

This video talks about a special kind of telescope that uses a pool of liquid to look at stars! It's called a Liquid Mirror Telescope and it's really cool because it doesn't use glass like regular telescopes.

#space#telescope#science

🧠 Quiz & Trivia

Test your knowledge after watching!

Q1 What liquid did early astronomers use in their Liquid Mirror Telescopes?

Answer: Mercury

Q2 Why do astronomers need big mirrors for telescopes?

Answer: To collect more light from stars and planets.

Q3 What shape does the liquid take when it spins in a Liquid Mirror Telescope?

Answer: A parabola

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