Outline •What did Galileo Galilei discover?–What was the impact of his discovery?

•Where was he from ?–Is he still alive?

•What challenges did he face?

• Challenges of today astronomers ?

• Pictures of Galileo Galilei and his inventions

What did Galileo Galilei discover?

He invented a special telescope that was used to study craters on the moon. He also discovered four moons revolving around Jupiter. Later these moons were named the Galileo’ moons, after him.

Where was he from ?Is he still alive?

•Galileo Galilei was from / born Pisa, Italy.•Galileo Galilei unfortunately died,

on the 8th January 1642.•He was 52 when he died.

Challenges of today astronomers ?• Find other life in Universe. • Figure out the “ Big Bang” theory. • Investigate the dark black holes. • Have enough money to do all of this.

What challenges did he face?Many people did not believe in his findings so he had to be in house arrest for the rest of his life.

Pictures of Galileo Galilei and his inventions

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presentation