You understand this, right? that the radio-wave part of the electromagnetic spectrum travels, like all light, at one fixed speed. And since those same radio waves carry television programs, the programs broadcast earliest have traveled farthest. It’s not complicated but it is appalling: poor Arcturus, stuck with Happy Days.
Abstruse Goose took a little break and posted his classics. Meanwhile, he’s disappeared his archives. So his cartoon has no number; I know only that it first appeared July 2, 2009.