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for questions regarding the dimming of light from distant objects when it passes through interstellar dust and gas clouds. This is not for questions about extinctions of species on Earth or other planets.

2 votes
1 answer
63 views

How to count observable number of galaxies at a given latitude considering interstellar exti...

formula look like if extinction in the interstellar medium is counted? … m= extinction in direction of galactic pole. …
M. Islam Nafees's user avatar