Search found 4 matches

by lone77star
Tue Aug 30, 2011 5:30 pm
Forum: Astrophysics
Topic: Speed of Light
Replies: 16
Views: 7887

astronomerjim, your guess to your question is correct. Photons of light, which are massless particles, do not experience what we would call the flow of time. And even if they did perceive anything, traveling at light-speed, they would experience no time. So, I suppose in this sense, light doesn't r...
by lone77star
Tue Aug 30, 2011 5:23 pm
Forum: Absolute beginners
Topic: Equipment for determining double star PA
Replies: 2
Views: 1360

Equipment for determining double star PA

Hi, I'm hoping to get a new scope, soon for some serious double star observing.

Does anyone have any experience determining PA and sep between primary and secondary. Any help would be appreciated. Thanks!
by lone77star
Tue Jul 26, 2011 1:59 pm
Forum: Space exploration
Topic: Colonise space or perish ..
Replies: 20
Views: 8487

Re: Colonise space or perish ..

It stands to reason that, if humanity is incapable (which it isn't) of solving its earthbound problems, it will only be taking its problems into space to create new crises elsewhere. The answer lies in creating a single world community based on conscious social-planning, but that's political This i...
by lone77star
Tue Jul 26, 2011 1:39 pm
Forum: Space exploration
Topic: Memory Lane: Freedom 7 flies ( 1961 ) ..
Replies: 5
Views: 3134

Alan Shepard's historic flight

Hi, I'm new to the forum. Glad to be here. I remember this one well. Someone (likely one of the teachers) brought a TV into the school auditorium for us all to watch. I remember waiting a long time for the mercury redstone to get off the pad. After the auditorium had been cleared and the TV returned...