Chapter 5 - Planets Flashcards
1
Q
Ellipse
A
Shape of planetary orbits
2
Q
Focus
A
Plural- foci
3
Q
Perihelion
A
The point where the planet is closest to the sun
4
Q
Aphelion
A
The point at which the planet is farthest from the sun
5
Q
Astronomical Unit UA
A
The earth’s average from the sun - 93 million miles
6
Q
Planet
A
A spherical body that revolves around a star