The makers of kitschy commercial religious art of the Christian persuasion should be grateful to the telescope builders of the world for so often putting the secondary mirror struts in a cross shape.
Not necessarily--it could be that the bright light was just the only one in the frame that was bright enough to show visible diffraction spikes, from whatever was causing them (maybe the camera aperture).
no subject
Date: 2007-12-10 12:43 pm (UTC)