0
Q
Geocentric model
A
The model when earth was the center of the solar system
1
Q
Orbital period
A
The time it takes for a planet to orbit the sun
2
Q
Heliocentric model
A
The model where the sun is the center of the solar system (the right one)
3
Q
Nicolaus copericous
A
Suggested the heliocentric model and was right
4
Q
Ellipse
A
An oval shape that orbits the sun, rather than a circle.
5
Q
Foci
A
Two points that is centered in a ellipse
6
Q
Keplers 1st law
A
That planets orbit in a ellipse(not a circle)
7
Q
Keplers Second law
A
Planets move faster when they are closer to the sun and slower than farther away
8
Q
Keplers third law
A
That a planets distance from the sun can be calculated if the orbital period is known
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