Space & Astronomy

Galileo's First Telescope Nights

The story of Galileo, his early telescope, and how his discoveries changed our view of the sky.

B17 min

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1About four hundred years ago, an Italian teacher looked at the sky in a new way.

2His name was Galileo, and he built one of the first telescopes.

3When he pointed it at the Moon, he saw mountains and deep holes.

4People had believed that the Moon was a perfect, smooth ball.

5Galileo also discovered four bright moons moving around the planet Jupiter.

6This showed that not everything in the sky moves around the Earth.

7His ideas made powerful men angry, and they told him to stop.

8He was old and sick, but he never stopped asking questions.

9Today, every student who looks through a telescope follows in his footsteps.

10His story reminds us that one careful look can change the world.

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