The brightest star in the night skyis sirius which is at a
The brightest star in the night skyis Sirius, which is at a distance of 8.30×1016 m.When we look at this star, how far back in time are we seeing it?Express your answer in years.
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the brightest star in the night skyis sirius which is at a distance of 830times1016 mwhen we look at this star how far
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