Idk Planets Or Something Flashcards

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1
Q

The sun has a diameter 100 that’s times bigger than earth’s

A

The Suns core reaches 15,000,000°C and the surface reaches 5,500°C

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2
Q

Orbit-

A

Following a path

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3
Q

Revolution

A

Earth going all the way around the sun - takes 365.24 dayz

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4
Q

Rotates

A

Spinning on rotational axis.

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5
Q

Rotational axis

A

Imaginary line on which the earth rotates

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6
Q

Elipse

A

Elongated, closed curve

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7
Q

What causes the seasons to change?

A

The tilt of earth’s rotational axis, combined with earth’s motion around the sun

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8
Q

Solstice-

A

Day when earth’s rotation axis is the most toward or away from the sun

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9
Q

When are the the summer and winter solstices?

A

Summer - June 20/21 in northern hemisphere

Winter - December 21/22 in northern hemisphere

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10
Q

Equinox-

A

Day when earth’s rotation axis is leaning along earth’s orbit, neither toward or away from the sun.

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11
Q

When are the spring and fall equinoxes?

A

Spring - March 20/21

Fall - September 22/23

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