Vocab 30 Flashcards

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1
Q

Earth-centric model of the solar system

A

geocentric model

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2
Q

Sun-centered model of the solar system

A

heliocentric model

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3
Q

planets in orbit around another star

A

extrasolar planets

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4
Q

who discovered the Geocentric Model?

A

Ptolemy

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5
Q

who discovered the Heliocentric Model?

A

Nicholas Copernicus

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6
Q

Who supported the Heliocentric Model?

A

Galileo Galilei

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7
Q

Who discovered the planets travel around the Sun?

A

Johannes Kepler

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8
Q

Do planets travel at different speeds in their orbit?

A

yes

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9
Q

What is a astronomical unit?

A

the average distance from Earth to the Sun. (about 150 km from Earth to Sun)

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10
Q

What are the planets called that are similar to planets?

A

terrestrial planets

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11
Q

Which planets are similar to Earth?

A

Mercury, Venus, Mars

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12
Q

What are the gas giants know as?

A

Jovian planets

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13
Q

What are the Jovian planets?

A

Jupiter, Saturn, Neptune, Uranus

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14
Q

What are the planets known as when they are located between the Sun and Asteroid Belt?

A

Inner Planets

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15
Q

Which planets are inner planets?

A

Mars, Venus, Mercury, Earth

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16
Q

What are the planets know as beyond the Asteroid Belt?

A

Outer Planets

17
Q

Which planets are outer planets?

A

Jupiter, Saturn, Neptune, Uranus

18
Q

What are the planets know as between the Sun and Earth called?

A

Inferior Planets

19
Q

What are the planets between the Sun and Earth?

A

Venus and Mercury

20
Q

What are the planets known as out of the orbit of Earth?

A

Superior Planets

21
Q

What planets are superior planets?

A

Mars, Jupiter, Saturn, Neptune, Uranus

22
Q

planets in orbit around other stars

A

Extrasolar Planets