[Etherlord87]

> informally it is up to the extent of Earth's atmosphere.

And where does the atmosphere end? :) From Wikipedia[1]:

Exosphere: 700 to 10,000 km (440 to 6,200 miles)

The exosphere is the outermost layer of Earth's atmosphere (though it is so tenuous that some scientists consider it to be part of interplanetary space rather than part of the atmosphere).

[1] https://en.wikipedia.org/wiki/Atmosphere_of_Earth

[chrisco255]

Right, it's merely a convention at this point. It's also been the case that no country has really escalated LEO warfare against another country at this point. Until then it's mere courtesy between countries. We don't quite have a solid line like we do with international waters.