Vocab Flashcards

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1
Q

Geocentric Model

A

A model of the solar system, Earth is considered the center and everything else revolves around it.

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2
Q

heliocentric Model

A

A model that stated the moon revolves around the earth and that earth and the other planaets revolve around the sun.

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3
Q

Extrasolar Planet

A

planets that orbit around stars other than the sun.

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4
Q

who developed the geocentric model

A

Ptolemy

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5
Q

Who came up with the heliocentric model

A

Nicolas Copernicus

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6
Q

Who used a telescope to support Copernicus’s model

A

Galileo Galilei

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7
Q

Who discovered that the planets traveled around the sun in an ellipse

A

Johannes Kepler

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8
Q

Do planets travel at different speeds

A

True

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9
Q

What is an astronomical unit

A

The average distance from earth to the sun

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10
Q

What planets are similar Earth

A

Terrestrial planets

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11
Q

Which planets are terrestrial planets

A

Mercury Venus and Mars

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12
Q

What are the Gas Giants called

A

Jovian Planets

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13
Q

What planets are Jovian Planets

A

Jupiter, Saturn, Uranus, and Neptune

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14
Q

What are the planets classified as that are located between the sun and the asteroid belt

A

Inner planets

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15
Q

What are the inner planets

A

Mercury, Venus, Earth, and Mars

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16
Q

What are the planets called that are located beyond the asteroid belt

A

Outer Planets

17
Q

What are the names of the outer planets

A

Jupiter, Saturn, Uranus, and Neptune

18
Q

What are the planets classified as that are located between the sun and the earth

A

Inferior planets

19
Q

What are the names of the inferior planets

A

Mercury and Venus

20
Q

What are the planets classified as that are located past earth orbit

A

Superior orbit

21
Q

What are that names of the superior planets

A

Mars, Jupiter, Saturn, Uranus, and Neptune