lol @ rightwinger perception tactic.
Per the dictionary, a sky is a region in the upper atmosphere of the earth. Other planets have their own skies. So technically, you're wrong.
[skahy] Show IPA
noun, plural skies, verb skied or skyed, sky·ing.
–noun Often, skies ( for defs. 1–4 ) .
the region of the clouds or the upper air; the upper atmosphere of the earth: airplanes in the sky; cloudy skies.
the heavens or firmament, appearing as a great arch or vault.
the supernal or celestial heaven: They looked to the sky for help.
the climate: the sunny skies of Italy.
Obsolete . a cloud.
Sorry ape.. but unless your also saying their are multiple heavens, then there is only one single sky no matter where you are in the universe.
A sky is different to everyone depending on where you are -- composed of planets, stars, black matter, black holes, my dick, etc. You may have clouds in your sky, while my sky does not.