Space 💫✨💥 Flashcards

(34 cards)

1
Q

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

A

Orbit

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2
Q

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

A

Solar system

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3
Q

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

A

Galaxy

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4
Q

Space and all the matter and energy in it.

A

Universe

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5
Q

An object that orbits a more massive object.

A

Satellite

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6
Q

A round pit left behind on the surface of a planet or other body in space after a smaller object strikes the surface.

A

Impact crater

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7
Q

An imaginary line about which a turning body suck as the earth rotates.

A

Axis of rotation

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8
Q

The motion of one body around another, such as the earth orbit around the sun.

A

Revolution

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9
Q

One part of a pattern of Temperature changes and other weather trends over the course of a year.

A

Season

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10
Q

In an orbit, a position and time in which sunlight shines equally on the Northern and Southern Hemispheres. A time of the year when day light and darkness are nearly equally for most parts of the earth.

A

Equinox

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11
Q

In an orbit, a position and time during which one hemisphere receives its maximum area of sunlight while the other hemisphere receives the minimum amount. The time of year when the the days are either longest or shortest.

A

Solstice

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12
Q

A large dark plain of solidified lava on the moon.

A

Mare

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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

The dark central region of a shadow, such as the cone of complete shadow cast by an object.

A

Umbra

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15
Q

A region of a lighter shadow that may surround a dark center spreading cone of lighter shadow cast by an object.

A

Penumbra

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16
Q

Average distance from the sun which is approximately 93,000,000 miles or 150 million kilometers.

A

Astronomical unit

17
Q

An oval or flattened circle.

18
Q

A planet that has a rocky surface.

A

Terrestrial Plane

19
Q

A large planet that consists mostly of gases in a dense form.

20
Q

A small solid rocky body that orbits the sun.

21
Q

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

22
Q

A brief streak of light produces by a particle entering Earths atmosphere at high speed.

23
Q

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

24
Q

Earth centered theory of the solar system.

25
A sun centered theory of the solar system.
Heliocentric
26
The force that objects exert on one another because of their mass.
Gravity
27
The rise and fall of the ocean levels caused by the gravitational pull of the moon.
Tide
28
The gradual increase of the illuminated surface of the moon.
Waxing
29
The gradual decrease in the illuminated surface of the moon.
Waning
30
More than half but less than fully illuminated.
Gibbous moon
31
The illuminated surface is less than a quarter illuminated.
Crescent moon
32
The entire surface of the moon is illuminated.
Full moon
33
The entire surface of the moon is not illuminated.
New moon
34
Half of the moons surface is illuminated.
Quarter moon