4 ms·

I've always taken it to mean "visible to the naked eye from space", not through a satellite telescope.

• userbinator 2y ago
  How far from the earth is "space"?
  • dijit 2y ago
    62 miles, or 100km Its known as the Kármán line: https://en.wikipedia.org/wiki/K%C3%A1rm%C3%A1n_line https://en.wikipedia.org/wiki/K%C3%A1rm%C3%A1n_line
  • SteveNuts 2y ago
    This is simply a thing "in my minds eye" but roughly what you'd see in a picture from something like the ISS I suppose.
• lolinder 2y ago
  Yeah, I've always wished for it to be used that way only, but most often when I see it now it's like in TFA: visible in a satellite image.