The Solar System - Sp7 Flashcards
1
Q
What is the meaning of a geocentric model?
A
Earth is the centre of the solar system - all planets orbiting around earth
2
Q
what is a heliocentric model
A
Sun at the centre of the solar system - everything orbits around it
3
Q
What is the purpose of the telescope? What did Galileo find using this?
A
allowed scientists to see objects in space in much greater detail and find new objects
Galileo found 4 of jupiters moons
4
Q
What are comets made of?
A
ice
5
Q
What is included in our current solar system?
A
8 planets
5 dwarf planets
thousands of comets
millions of asteroids
6
Q
In what type of orbit do things move around the sun?
what shape is this?
A
eliptical orbit (squashed circle)
7
Q
What do many planets have orbiting around them?
A
natural satalites - moons
