Planets Flashcards

1
Q

all the- -planets have rocky surfaces

A

Inner

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2
Q

why is Venus average surface temperature greater than mercury

A

venus has a strong green house effect

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3
Q

particles of rock and ice that orbit the sun in elliptical parts

A

comets

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4
Q

asteroid chunks of rock and ice that form a belt between mars and jupiter

A

asteroid

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5
Q

the gravitational forces on the outer planets apply tremendous _____ which changes gas to liquid

A

gasses (maybe pressure)

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6
Q

in the solar system planets orbit in?

A

eliptical paths

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7
Q

______ are streaks of light formed my meteoroids traveling through earths atmosphere

A

meteros

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8
Q

most impact craters are produced by?

A

Meterorites

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9
Q

which statement is true of every outer planet?

A

each has gas and liquid around its solid core

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10
Q

an ______ is the average distance from earth to the sun

A

astronomical units

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11
Q

what is plutos clasification

A

Dwarf planet

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