How come people say 5,000 km and not 5 Mm?
why not just say millions of meters or Mega meters?

  • leftzero@lemmynsfw.com
    link
    fedilink
    arrow-up
    4
    arrow-down
    1
    ·
    edit-2
    8 months ago

    For interplanetary space and beyond the time it takes for light to cross the distance makes more sense, I’d say. The moon is about half a second away, the sun about eight minutes, Voyager I a bit less than twenty hours, Alpha Centauri or Barnard’s about four years, and so on…