Solar System Vocab Flashcards

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1
Q

Orbit

A

An elliptical pathway of an object around another object

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2
Q

Terrestrial

A

Planets that are small and solid

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3
Q

Gas giants

A

Planets that are large and gaseous

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4
Q

Solar radiation

A

Energy released from the sun

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5
Q

UV radiation

A

High energy radiation from the sun, helps the human body make
vitamin D

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6
Q

Infrared radiation

A

Invisible energy in the form of heat, released by the Sun

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7
Q

Universe

A

The ever-expanding expanse that contains everything that exists, i.e. galaxies, solar systems, stars and planets

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8
Q

Comets

A

Balls of frozen dust, rock and ice that orbit the Sun

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9
Q

Meteoroid

A

Large rock moving in the solar system that would become a meteor upon entry to the Earth’s atmosphere

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10
Q

Meteor

A

A rock from space that burns up as it passes through the Earth’s
atmosphere. Colloquially known as “shooting stars”

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11
Q

Meteorite

A

Meteoroid that is large enough to pass through the Earth’s atmosphere and reach the ground

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12
Q

Solar eclipse

A

When the Moon moves in between the Earth and sun, causing a
shadow to fall on the Earth.

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13
Q

Total lunar eclipse

A

When the Earth moves in between the Sun and the moon, causing a shadow to fall on the Moon which sometimes appears red

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14
Q

Partial lunar eclipse

A

When only a part of the Moon is in the shadow of the Earth

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15
Q

Astronomy

A

Study of the stars, planets and other objects that make up the universe

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16
Q

Asteroids

A

Lumps of rock or metal that travel around the solar system orbiting the Sun, mostly between Mars and Jupiter

17
Q
A