solar system Flashcards

1
Q

sun

A

classified as a G2V star or yellow dwarf. 4.7 billion years old

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2
Q

whats the order of the planets from the sun?

A

mercury, venus, earth, mars, jupiter, saturn, uranus, and neptune

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3
Q

meteroids

A

smaller fragments of asteroids and particles shed by comets

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4
Q

meteors

A

when meteroids fall into earths gravitational field

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5
Q

meteorites

A

when the meteors make it to earths surface

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6
Q

kuiper belt

A

a belt of asteroids that are between mars and jupiter

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7
Q

comets

A

sometimes called “dirty snowballs” or “icy mudballs” . they are a mixture of ices and dust. they’re invisible except when near the sun

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8
Q

tails

A

tails of comets are several hundred million kilometers long - composed of plasma and laced with rays and streamers caused by interactions with the solar wind

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9
Q

moon

A

the second most important body in the solar system

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10
Q

tides

A

caused by gravitational pull of the moon. High tides occur twice a day when the moon points closest to and farthest from the affected masses of water

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