Earth In Space Flashcards
0
Q
Rotation
A
the spinning motion of a planet on its axis.
1
Q
Axis
A
an imaginary line that passes through a planet’s center and its north and south poles, about which the planet rotates.
2
Q
Revolution
A
the movement of one object around another object.
3
Q
Orbit
A
the path of an object as it revolves around another object in space.
4
Q
Solstice
A
either of the two days of the year on which the sun reaches its greatest distance north or south of the equator.
5
Q
Equinox
A
means equal night; this occurs halfway between the solstices; it is the two days of the year in which neither hemisphere is tilted toward or away from the sun.
