Newtons reflecting telescope had a primary mirror 33mm in diameter. If a dark adapted human eye has a?
Posted February 28th, 2010 by admin 1 Comment »
raul asked:
diameter of 8mm, how many photons per second could newton detect with the telescope compared to without? 8? 17? 33? 38? 1089? I believe it is 1089 i sqaured the diameter of each and subtracted
Assuming 100% reflectivity of the mirror and he used only one eye
diameter of 8mm, how many photons per second could newton detect with the telescope compared to without? 8? 17? 33? 38? 1089? I believe it is 1089 i sqaured the diameter of each and subtracted
Assuming 100% reflectivity of the mirror and he used only one eye