after watching this video, I'm hungry... lucky there's a kosher pizza
place nearby. :)
now did you say something about size of telescopes? tell me again while I'm eating the pizza. :D
On 7/20/2016 9:54 AM, William Finch wrote:
Thought this might be useful for explaining why an 8 inch scope is twice the light gathering of a 6 inch. Breaks it down in easy English.