And God made the firmament, and divided the waters which were under the firmament from the waters which were above the firmament: and it was so.
All Commentaries on Genesis 1:7 Go To Genesis 1
George Leo Haydock
AD 1849
Above the firmament and stars, according to some of the Fathers; or these waters were vapours and clouds arising from the earth, and really divided from the lower waters contained in the sea. (Calmet)