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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

Moon to orbit earth in 27.3 days?

Sidereal month