5. A star similar to the sun is just visible by eye when it is 6.6x1016 m (7.0 light years) from Earth. The sun emits 3.8x1026 W. A. What is the intensity of the star as seen from Earth? B. A certain candle emits 0.20 W. How far from the candle do you need to be to see it at the same intensity as the star? C. If the star were only 3.5 light years from Earth what would its intensity be?