- #1
Holocene
- 237
- 0
If a star is twice as far away, is it true that it will appear to us 4 times dimmer?
If this is true, can we assume that if we wish to view an object twice as far away while maintaining the same clarity, then the primary mirror of a telescope would have to be 4 times larger in diameter?
If this is true, can we assume that if we wish to view an object twice as far away while maintaining the same clarity, then the primary mirror of a telescope would have to be 4 times larger in diameter?