Discovering the universe Flashcards

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1
Q

Describe the geocentric model of the universe

A

Earth at the center with other planets and the Sun orbiting it

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2
Q

Describe the heliocentric model of the universe

A

The Sun at the center with the planets orbiting it

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3
Q

Why was the geocentric model initially believed

A

We cannot feel our Earth’s movement

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4
Q

Name the 2 key pieces of evidence against the geocentric model

A

Retrograde motion

Other planets, such as Jupiter, have moons that orbit them

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5
Q

Why did retrograde motion go against the geocentric model

A

It could not be adequately explained meanwhile it could using the heliocentric model

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6
Q

Which scientist discovered Jupiter’s moons

A

Galileo

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