The radiant flux intensity from a star measured at the Earth is 2.7 10 9 W
Question:
The radiant flux intensity from a star measured at the Earth is 2.7 × 10−9 W m−2. The luminosity of the star is 1300 L⊙. Calculate the distance of this star from the Earth in metres.
Where necessary, take:
L⊙ = 3.83 × 1026 W
1 ly ≈ 9.5 × 1015 m
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The luminosity of a star can be calculated using the equation L 4 d2 F Where L is the lumi...View the full answer
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Related Book For 
Cambridge International AS And A Level Physics Coursebook
ISBN: 9781108859035
3rd Edition
Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside
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