Search found 2 matches

by Derek Dahlsad
Mon Sep 13, 2004 2:30 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Lewin's Challenge Image
Replies: 332
Views: 147315

Partial retraction...

I just realized something that debunks the aperture theory: The photographer's shadow extends outside the circle, without being significantly darker or brighter than inside the circle. The shadow isn't being cast by light pouring through an aperture; it comes from another source. Which lends more to...
by Derek Dahlsad
Mon Sep 13, 2004 1:48 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Lewin's Challenge Image
Replies: 332
Views: 147315

Response

I agree with the aperture people... The range is small (<10 feet) so it's not the Glory -- the Glory occurs by scattering of particles in the air over a large space., all at an angle directly back at you, by particles in the air in front. There's not enough space between the photographer and the sou...