I guess i have clocked enough hours on Terra that i have a low BS treshold whether for religious theories or war movies or whatever. It has to at least be on its face, plausible. 
I remember in grade school the Saturday Matinee. The U.S. cavalry arrived just in the nick of time to save the fort. 
Jonathan Winters had a joke about that scene, but it's one no longer suitable for open - air  broadcast. 
-Hue Miller

Sent from my Galaxy

>-------- Original message --------
>From: Richard Solomon 

>You guys take movies too seriously. After all it's 
intended to be entertainment not a Grad School 
lecture. I get a big laugh when I see an error in 
the set or the script.
Goes back to the early days of Sci-Fi movies.
The Spaceship was on its way Mars and one of 
the crew was using a Tektronix scope as the radio.

I still get a laugh when I think about it
>73 es HH, Dick, W1KSZ