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Waves > Vocabulary > Flashcards

Vocabulary Flashcards

1
Q

Solar system

A

The sun and its family of orbiting planets moons and other objects

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2
Q

Galaxy

A

Millions or billions stars held together in a group by their own gravity

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3
Q

Universe

A

Space and all I he matter and energy in it

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4
Q

Satellite

A

An object that orbits a more massive object

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5
Q

Impact crater

A

A round pit left behind on the surface of a planet

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6
Q

Axis of rotation

A

An imaginary line about which a turning body such as earth rotates

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7
Q

Revolution

A

The motion of one body around another

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8
Q

Season

A

One part of a pattern of temperature

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9
Q

Equinox

A

In an orbit a position and time

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10
Q

Mare

A

A large dark plain

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11
Q

Eclipse

A

An event during which one object in space casts a shadow

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12
Q

Umbra

A

The dark central region of a shadow

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13
Q

Penumbra

A

A region of lighter shadow that may surround an umbra

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14
Q

Astronomic unit

A

Earth average distance from the sun

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15
Q

Ellipse

A

A oval or flattened circle

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16
Q

Terrestrial planet

A

Earth or a planet like earth

17
Q

Gas giant

A

A large planet that consists mostly of gases

18
Q

Asteroid

A

A small solid rocky body

19
Q

Comet

A

A body that produces coma of gas

20
Q

Meteor

A

A brief streak or light

21
Q

Meteorite

A

A small object from outer space

22
Q

Geocentric

A

All features on earth surface

23
Q

Heliocentric

A

All water on earth

24
Q

Gravity

A

The space in space

25
Q

Tide

A

The water in the ocean

26
Q

Waxing

A

One of the phase of the moon

27
Q

Waning

A

One of the last phase of the moon

28
Q

Gibbous moon

A

The second phase of the moon

29
Q

Crescent moon

A

The fourth phase of the moon

30
Q

Full moon

A

The fifth phase of the moon

31
Q

New moon

A

The first phase of the moon

32
Q

Quarter moon

A

The third phase of the moon

33
Q

Orbit

A

The path of an object in space as it moves around another object

Waves (22 decks)

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