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Posted: **Wed Mar 09, 2022 9:18 am**

: Hint Express The Answer In Scientific Notation A Particular Star Is 265 2 Ly Away From Earth With A Luminosity L Of 7 1 (28.89 KiB) Viewed 71 times

Hint Express the answer in scientific notation. A particular star is 265.2 ly away from Earth with a luminosity (L) of 7.4 % 1029 w. Ignoring effects of the atmosphere, what is the brightness (B) of the star, in W/mº, as observed from Earth? Solution W Guided Solutio B= X 100 m