Solar System Vocabulary Flashcards Preview

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Flashcards in Solar System Vocabulary Deck (31):
1

The circular path of an object as it revolves around another object

Orbit

2

A system of objects as they revolve around a star

Solar System

3

A group of solar systems, dust, and gas that is held together by gravity

Galaxy

4

Anything that exists in, on or around the earth

Universe

5

A natural or artificial object that revolves around another object in space

Satellite

6

A large circular hole on a planet or other object. This is usually created when two objects collide in space.

Impact Crater

7

The spinning of an object around an axis (spinning around)

Rotation

8

The orbiting of an object around another object in space

Revolution

9

What time the year it is depending on where the earth is in orbit

Season

10

The time when the sun has equal sunlight on both sides of the equator

Equinox

11

When the sun reaches its highest or lowest point on either hemisphere

Solstice

12

A level plain of dried up lava on the the surface on the moon

Mare

13

When the Earth’s shadow covers the moon in either the day or night

Eclipse

14

The darker shaded inner part of the shadow

Umbra

15

Lighter shaded outer part of a shadow

Penumbra

16

The mean distance from the Earth to the sun

Astronomical Unit

17

Oval curve

Ellipse

18

The inner four planets, mercury, Venus, earth, and mars

Terrestrial Planet

19

A large planet with low density

Gas Giant

20

A small object made of rock or metal the orbits the sun

Asteroid

21

A body of ice and dust that travels in an orbit around the sun

Comet

22

a streak of light in the sky that forms when a piece of rock from space burns up in Earth's atmosphere

Meteor

23

A piece of rock or metal that comes from space that strikes the Earth’s surface

Meteorite

24

Having Earth as the center

Geocentric

25

Having the sun as the center

Heliocentric

26

Some kind of force that exists between any two objects that have mass

Gravity

27

The rise and fall of the ocean’s surface levels because of the gravitational pull of the sun and moon

Tide

28

To have the moon gradually “increase in size”

Waxing

29

When the moon gradually “decreases in size”

Waning

30

When the moon is bigger than a semicircle but smaller than a circle

Gibbous

31

An object also known as a satellite in outer space that orbits a planet or other object

Moon