light takes 4.7 years to reach earth from a star. how far is this star from earth?
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3
Answer:
It's the nearest star system to our sun at 4. 3 light year away. That's about 25 trillion miles (40 trillion km) away from Earth- nearly 300,000 times the distance from the earth to the sun
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0
Answer:
Velocity = distance / time
Distance = velocity × time
= 3× 10 power 8 ×365×24×60 × 4.7 × 60
= 444 × 10 power 14 m
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