What is the brightness of a galaxy that has luminosity of 1041 W and is situated at a distance of 18 Mpc away.
Question
Solution 1
The brightness of a galaxy is determined by its luminosity and its distance from the observer. This is often calculated using the formula for flux (F), which is the total amount of energy per unit area per unit time:
F = L / (4πd²)
where:
- F is the flux (or brightness),
- L is the luminosity of t Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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