Our Neighbourhood 英语
网友回答
【答案】 1)What is the only star in our solar system?
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(2)What does the sun give us?
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(3)How far is the moon?
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(4)Why does Alpha Centauri look much smaller?
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(5)How long does the light reach us from Alpha Centauri?
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the sun
heat and light
380,000 kilometers away
because it is very far away from us.
it takes four years for the light to reach us.the sun