- #1
IDK10
- 67
- 3
I've read that L = 4 x Pi x b x d2
Where L = Luminosity (W)
d = distance (m)
b = brightness (W m-2)
But in a real life applied situation, how does it work, how does one measure the distance and its brightness? And what does the 4Pi do?
Where L = Luminosity (W)
d = distance (m)
b = brightness (W m-2)
But in a real life applied situation, how does it work, how does one measure the distance and its brightness? And what does the 4Pi do?