Replacing speed of light for speed of sound.
Channel Hopper Suffering fools, so you don't have to. Staff member Joined Jan 1, 2000 Messages 36,051 Reaction score 8,741 Points 113 Age 60 Website www.sat-elite.uk My Satellite Setup A little less analogue, and a lot more crap. My Location UK Jan 9, 2016 #1 Replacing speed of light for speed of sound.
Channel Hopper Suffering fools, so you don't have to. Staff member Joined Jan 1, 2000 Messages 36,051 Reaction score 8,741 Points 113 Age 60 Website www.sat-elite.uk My Satellite Setup A little less analogue, and a lot more crap. My Location UK Jan 9, 2016 #2 And of course this Event Horizon Telescope Ready to prove or disprove a lot at 1.3mm