Q2-Earth's Rotation and Revolution#4
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1.
axis
5.
Equator
An imaginary circle around the middle of the
earth, halfway between the North Pole and the
South Pole
6.
Equinox
An imaginary line around which a rotating
object turns.
2.
celestial
object
A time of year when the sun is directly
overhead at the equator at noon, when day and
night are of equal length.
7.
Lunar Phase
A natural object in space.
3.
Circumpolar
star
The appearance of the lit area of the moon as
seen from Earth.
8.
Northern
Hemisphere
A star that is always above the horizon when
viewed from a given latitude.
4.
constellation
A group of stars that form a pattern in the sky
The half of the Earth that lies north of the
equator
9.
Orbit
14.
Seasons
The path that an object follows as it revolves
around another object.
10.
Orbital
Plane
Earth has seasons because because its axis is
tilted as it moves around the sun.
15.
Solstice
The plane in which an object's orbit lies.
11.
Pattern
12.
Revolution
A set of objects or events that are repeated
regularly.
A time of year when the sun is directly
overhead at one of the tropics during noon.
16.
Southern
Hemisphere
The motion of an object around another object
in space.
13.
Rotation
the half of the earth that is south of the equator
The spin of an object around a point or line.
17.
Star
A bright object that gives off light by energy produced in its core.
18.
System
19.
Tropic
A set of connected parts that form a complex whole.
The latitudes furthest north and south that receive sunlight at a perpendicular angle.