Who discovered the four largest moons of Jupiter?
Italian scientist Galileo Galilei discovered Jupiter's four largest moons in 1610 using a telescope he improved himself.
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Galileo Facts
Galileo facts and facts about galileos.
15 facts on this shelf
What did Galileo discover with his telescope?
In 1610, Galileo Galilei used his improved telescope to discover four of Jupiter's moons, which supported the idea that not everything orbits Earth.
What did Galileo see when he looked at Saturn?
Galileo's telescope wasn't strong enough to show Saturn's rings clearly, so he thought the planet had "ears" or two large moons on either side.
What did Galileo notice about pendulums?
As a young man, Galileo noticed that a swinging chandelier in Pisa Cathedral took the same amount of time for each swing, which led to his study of pendulums.
Did Galileo drop balls from the Leaning Tower of Pisa?
The famous story of Galileo dropping balls from the Leaning Tower of Pisa probably never happened.
Why was Galileo put on trial?
In 1633, Galileo was put on trial by the Catholic Church for supporting the idea that Earth orbits the Sun, and he spent the rest of his life under house arrest.
When did the Catholic Church admit it was wrong about Galileo?
In 1992, Pope John Paul II formally acknowledged that the Church had been wrong in its treatment of Galileo.
Where is Galileo's finger?
Galileo's middle finger is displayed in a museum in Florence.
What did Galileo observe about Venus?
Galileo observed that Venus has phases like the Moon, evidence that it orbits the Sun.
What was the Galileo spacecraft?
NASA's Galileo spacecraft studied Jupiter from 1995 to 2003.
Did Galileo go blind?
Galileo went blind late in life.
Who was Maria Celeste?
Galileo's daughter Maria Celeste was a nun who exchanged letters with him.
Was Galileo born the same year as Shakespeare?
Galileo was born in 1564, the same year as William Shakespeare.
How are Stephen Hawking's birth and death connected to other scientists?
Stephen Hawking was born on the anniversary of Galileo's death and died on Albert Einstein's birthday.
Did Galileo see Neptune?
Galileo saw Neptune in 1612 but thought it was a star.