chapter 30 section 1 Flashcards

1
Q

Geocentric model

A

the solar system, Earth is considered the center and everthing else revolves around it

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2
Q

Heliocentric model

A

stated that the moon revolves around Earth and the Earth and the other planets revolves around the sun

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3
Q

Extrasolar planets

A

planets in orbit starts other than the sun

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4
Q

Who came with the geacentric model

A

Greek philsosopher Ptolemy

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5
Q

Who came up with the heliocentric model

A

Nicholas Copernicus

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6
Q

Who supported Copernicus’s model by using a telescope

A

Galileop Galilei

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7
Q

Who discoverd the planets travel around the Sun in ellipses

A

Johannes Kepler

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8
Q

Do planets travel at different speeds in there orbit

A

yes

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9
Q

an astronomer unit (AU) queals

A

about 150 million km

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10
Q

what planets are similar to Earth

A

terrestrial planets

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11
Q

what plants are the terrestrial plantes

A

venus, mars, mercury

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12
Q

what are gas gaints also know as

A

Jovian Planets

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13
Q

name the gas gaints

A

jupiter, saturn, uranus, neptune

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14
Q

what are the two names of the planets that are within the asteroid belt and beyond the asteroid belt

A

inner planets, and outer plantes

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15
Q

what planets are considered inner planets

A

mars, earth, venus, mercury

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16
Q

what planets are considered outer plantes

A

jupiter, saturn, uranus, neptune

17
Q

what are the planets called between the earth and the sun and beyond earth

A

inferior plantes, and superior planets

18
Q

what planets are considered to be inferior planets

A

venus and mercury

19
Q

what planets are considered to be superior planets

A

mars, jupiter, saturn, uranus, neptune