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Mr field > Vocab > Flashcards

Vocab Flashcards

1
Q

Space and all the matter and energy in it

A

Universe

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2
Q

A small object from outer space that passes through earths atmosphere and reaches the surface

A

Meteorite

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3
Q

Half of the moon is illuminated

A

Quarter moon

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4
Q

The entire surface of the moon is not illuminated

A

Full moon

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5
Q

Average distance from the sun which is 93,000,000 miles

A

Astronomical unit

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6
Q

The motion of one body around another such as the earth in its orbit around the sun

A

Revolution

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7
Q

The illuminated surface is less than a quarter illuminated

A

Crescent moon

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8
Q

A region of lighter shadow that may surround a dark central region

A

Penumbra

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9
Q

A large dark plain of solidified lava on the moon

A

Mare

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10
Q

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

A

Galaxy

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11
Q

The dark central region of a shadow such as the come of complete shadow cast by an object

A

Umbra

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12
Q

A body that produces a coma of gas and dust a small icy body that orbits the sun

A

Comet

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13
Q

An event during which one object in space casts a shadow onto another

A

Eclipse

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14
Q

More than half but less than fully illuminated

A

Gibbous moon

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15
Q

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

A

Orbit

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16
Q

A sun centered theory of the unvinerse

A

Heliocentric theory

17
Q

The rise and fall of the pceans caused by the gravitational pull of the moon and sun

A

Tide

18
Q

The gradual decrease in the illuminated surface of the he moon

A

Waning

19
Q

Earth centered theory of the solar system

A

Geocentric theory

20
Q

An oval or flattened circle

A

Ellipse

21
Q

One of a pattern of tempature changes and other weather trends over the course of a year

A

Season

22
Q

The force that objects exert on one another because of their mass

A

Gravity

23
Q

A round pit left behind on the surface of a planet after a smaller object strikes the surface

A

Impact crater

24
Q

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

A

Solar system

25
Q

A large planet that consists mostly of gases in a dense from

A

Gas giant

26
Q

In an orbit a position and time in which sun shines equally on both hemisphere

A

Solstice

27
Q

A small solid rocky body that orbits the sun

A

Asteroid

28
Q

An object that orbits a more massive object

A

Satellite

29
Q

The gradual increase in the illuminated surface of the moon

A

Crescent

30
Q

The illuminated surface is less than a quarter Illuminated

A

Crescent moon

31
Q

A brief streak of light produced by a particle entering earths atmosphere at high speed

A

Meteorite

32
Q

A planet that has a rocky surface

A

Terrestrial planet

33
Q

An imaginary line about which a turning body such as earth

A

Axis of rotation

34
Q

A large dark plain of solidified lava on the moon

A

Mare

Mr field (4 decks)

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