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L2 Flashcards

(9 cards)

1
Q

what is the solar system

A

the system consisting of the sun, the planets, and other objects that revolves around it

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2
Q

What is an astronomical unit?

A

its a unit used to measure distances in and near our solar system

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3
Q

what does AU stand for

A

astronomical unit

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4
Q

One Astronomical unit is the average distance between _____________ & _____________.

A

the earth and the sun

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5
Q

how many miles is an AU

A

roughly 93 million miles

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6
Q

how many kilometers in 1 AU?

A

roughly 150 million kilometers

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7
Q

what are 3 things in the solar system (besides the sun)?

A

planets
dwarf planets
satellites

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8
Q

what is a dwarf planet?

A

an object that orbits the sun, is spherical, but does NOT dominates its orbit

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9
Q

what is a satellite?

A

and object that orbits another object

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