Space & Beyond Flashcards
1
Q
What is the name of our galaxy?
A
The Milky Way
2
Q
Where in the Milky Way is our solar system?
A
About two - thirds of the way out from the centre.
3
Q
Who was the creator of the heleocentric model
A
Galileo Galilei
4
Q
What is the name of the motion planets have when they appear to move backwards
A
Retrogade Motion
5
Q
What cause galileo to think that the idea of the geocentric model was wrong?
A
He saw 4 moons orbiting around jupiter.
6
Q
How long ago did the big bang theory occur?
A
13.7 billion years ago
7
Q
Scientists believe that the universe will collapse on itself one day. What is this theory called?
A
The big crunch.
