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Physical Science > Planet Motion 30.1 > Flashcards

Planet Motion 30.1 Flashcards

1
Q

geocentric model

A

Earth-centric model of the solar system

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2
Q

heliocentric model

A

sun-centered model of the solar system

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3
Q

extrasolar planet

A

planets in orbit around another star

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4
Q

Who developed the geocentric model?

A

Ptolemy

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5
Q

Who developed the heliocentric model?

A

Nicholas Copernicus

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6
Q

Who used the telescope to support Copernicus’s Model?

A

Galileo Galilei

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7
Q

Who discovered the planets travel around the Sun in ellipses?

A

Johannes Kepler

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8
Q

True/False: Planets travel at different speeds in their orbits?

A

True

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9
Q

astronomical unit

A

The average distance from Earth to the Sun

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10
Q

What planets are similar to Earth?

A

terrestrial planets

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11
Q

Which planets are classified as terrestrial planets?

A

Venus, Mars, Mercury

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12
Q

Gas giants are known as ______ planets?

A

Jovian

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13
Q

Which are classified as Jovian planets?

A

Jupiter, Saturn, Uranus, 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 planets that are located between the Sun and the asteroid belt?

A

Mercury, Venus, Earth, Mars

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16
Q

What are the planets classified as that are beyond the asteroid belt?

A

Outer planets

17
Q

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

A

Jupiter, Saturn, Uranus, Neptune

18
Q

What are the planets classified as that are located between the Sun and Earth’s orbit?

A

Inferior planets

19
Q

What are the inferior planets?

A

Mercury, Venus

20
Q

What are the planets classified as that are located beyond Earth’s orbit?

A

Superior planets

21
Q

What are the Superior planets?

A

Mars, Jupiter, Saturn, Uranus, Neptune

Physical Science (10 decks)

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