Flashcards in 22C Deck (23):
1
The earth's path around the sun is called its?
Orbit
2
It takes the earth ___ years to completely orbit the sun?
One Year
3
The sun is an almost perfect ball made out of?
Plasma
4
The sun has a mass of about _____ times bigger than the earth?
330,000
5
About 3/4 of the sun's mass consists of?
Hydrogen
6
The spinning of the earth is called its?
Rotation
7
The earth _____ and moves around the sun?
Spins
8
the moons point is called?
perigee
9
Observing the planets, moon, and stars from a moving, rotating earth is called?
Apparent Motions
10
Moon blocks some of the sun's light from reaching earth
Solar Eclipse
11
The earth blocks the suns light that normally shines on the moon
Lunar Eclipse
12
Being shaped like a ring
Annular
13
When the moon is closest
Perigree
14
When the moon is farthest
Apogee
15
Oscillating or balancing, like a scale
Libration
16
Moon's light growing larger
Waxing
17
Moon's like getting smaller
Waning
18
Lunar cycle begins as the
New Moon
19
The shape and change of the lighted face of the moon
Lunar Phase
20
Line between the light and dark side of an astronomical body is called the
Terminator
21
Bulge in the terminator before or after quarter moon
Gibbous
22
How long is Lunar or Synodic month?
29.53 days
23