What is the distance to sirius in kilometers

Reference no: EM132109106

Question: Part A: How much time does it take light to travel from the moon to the earth, a distance of 384000 km ? Express your answer in seconds to three significant figures.

Part B: Light from the star Sirius takes 8.61 years to reach the earth. What is the distance to Sirius in kilometers? Express your answer in kilometers to three significant figures.

Reference no: EM132109106

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