A sun like star is barely visible to naked eye observers on earth when it is a distance of 7 0 light years, or 6 6 10 16 m, away The sun emits a power of 3 8 10 26 W Using this information, at what distance would a candle that emits a power of 0 20 W just be visible ...

To find the distance at which a candle emitting a power of 020 W would be just visible we can use th ...

A sun-like star is barely visible to naked-eye observers on earth when it is a distance of

Question:

A sun-like star is barely visible to naked-eye observers on earth when it is a distance of 7.0 light years, or 6.6 × 10¹⁶ m, away. The sun emits a power of 3.8 × 10²⁶ W. Using this information, at what distance would a candle that emits a power of 0.20 W just be visible?

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