Chapter 30.1 Flashcards

1
Q

considered the center and everything else revolves around it.

A

geocentric model

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2
Q

stated that the moon revolves around Earth and that Earth and the other planets revolve around the Sun.

A

heliocentric model

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3
Q

planets in orbit around the stars other than the Sun.

A

Extra-solar planets

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4
Q

who created the geocentric model?

A

Ptolemy

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5
Q

who created the heliocentric model?

A

Nicholas Copernicus

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6
Q

who provided evidence to support Copernicus model using a telescope?

A

Galileo Galilei

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7
Q

who discovered that the planets travel in a ellipse? (in an oval path)

A

Johannes Kepler

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8
Q

Yes or no: do planets travel at different speeds in their orbit?

A

yes

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9
Q

what unit equals the average distance from the Earth to the Sun?

A
Astronomical Unit (AU)
(also about 150 million km)
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10
Q

what are the planets that are similar to Earth known as?

A

Terrestrial planets

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11
Q

What are the giant planets known as?

A

Jovian planets

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12
Q

how do you classify planets?

A

size, structure, and composition

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13
Q

Which planets are considered to be Terrestrial planets ?

A

Mercury, Venus, and Mars

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14
Q

Which planets are considered to be Jovian planets?

A

Jupiter, Saturn, Uranus, and Neptune

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15
Q

What are the planets called located outside of the asteroid belt?

A

outer planets

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16
Q

What are the planets called located between the Sun and the asteroid belt?

A

inner planets

17
Q

Which planets are considered inner planets?

A

Mercury, Venus, Earth, and Mars

18
Q

Which planets are considered outer planets?

A

Jupiter, Saturn, Uranus, and Neptune

19
Q

The planets that are orbiting between the Sun and Earth are classified as?

A

inferior planets

20
Q

The planets that orbit beyond Earths orbit is classified as?

A

Superior planets

21
Q

Which planets are classified as inferior planets?

A

Mercury and Venus

22
Q

Which planets are classified as superior planets?

A

Mars, Jupiter, Saturn, Uranus, and Neptune