On: Astronaut Thomas Stafford has died

[themadturk]

But this example itself shows Europa (a moon) to be a singular world among other worlds.

[cgriswald → themadturk]

That is the point I was making.

I think there is some confusion with my first sentence:

> I don’t believe I have seen anyone use “world” (when referring to Earth) to also include the Moon (as part of the same 'world').