Space and the Solar Sysem Flashcards
Learn lots!
1
Q
What is the gravitational pull on Earth in Newtons?
A
9.81N ≈ 10N
2
Q
What is a geocentric solar system model?
A
The earth is in the centre of the solar system, and other planets orbit it.
3
Q
If a girl stands at the North Pole holding a ball, the ball falls downwards. If she now stands at the south pole where does the ball land?
A
The ball lands to the centre of the earth.
4
Q
Who popularlised the Heliocentric model?
A
Copernicus theorised it, while Keplar refined it.
5
Q
What is the name of the only natural satalite that orbits Earth?
A
The Moon
6
Q
What are the main two types of satalites?
A
Geostationary :- Orbits the equator
Polar :- Orbits from the North to South poles.
(SEE IMAGE FOR MORE DETAIL)
7
Q
What was the name of the first satalite in orbit?
A
Sputnik 1 - Launched by the USSR.
