Space Flashcards
1
Q
What did Ptolemy do?
A
He suggested each planet moved in its own circle as it orbited Earth.
2
Q
What did Copernicus do?
A
He suggested a Heliocentric model with the sun at the centre.
3
Q
What did Galileo do?
A
He perfected the telescope and saw that Jupiter had 4 moons that they orbited Jupiter and not Earth proving Ptolemy wrong.
4
Q
What is the order of the planets in our solar system?
A
Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
5
Q
A
