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6b
Problem

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Textbook Expert
Textbook ExpertVerified Tutor
4 Dec 2021

Given information

Intrinsic luminosity of sun

Solar constant  

Apparent brightness= ....... (from 6a)

Step-by-step explanation

Step 1.

The intrinsic luminosity can be found by 

 

Where,

is apparent brightness

is luminosity

is distance from sun =  

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