Discovering New Worlds Quiz #2 Flashcards
1
Q
In Order for a Orbit Path to be a perfect circle it need 3 things going against gravitational pull, what are they?
A
Distance of a star to planet, Orbital Speed, Mass of the Planet
2
Q
What is the eccentricity of a perfect circle?
A
0.0000
3
Q
What is the eccentricity of a ellipse?
A
1.0000
4
Q
What are the 2 factors that ensure that a star is able to develop?
A
Gravitational Pull and Force
5
Q
Calculating Eccentricity:
A
distance between foci/length of major axis
6
Q
Kepler’s 1st Law
A
each planet’s orbit around the Sun is an ellipse
7
Q
Kepler’s 3rd Law
A
implies that the period for a planet to orbit the Sun increases rapidly with the radius of its orbit.
