Distances in Space Flashcards

1
Q

What is the distance from Earth to the Sun

A

about 150 million km

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2
Q

How long does it take light from the Sun to reach the Earth?

A

8 minutes

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3
Q

Why don’t we use km when measuring distances in space?

A

Because distances in space are so large, using km becomes impractical.

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4
Q

What is the difference between an astronomical unit and a light year?

A

1 AU is the distance in space from Earth to the Sun (150 million km), 1 light year is the distance light travels in one Earth year (9 500 000 000 000 km or 63 240 AU)

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5
Q

What are the million km from the Sun?

A

58, 108, 150, 228

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6
Q

What are the million km from the Sun 2?

A

778, 1427, 2870, 4497

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