Genesis 1 6
God said, “Let there be an expanse in the middle of the waters, and let it divide the waters from the waters.”
Compare with other 3 random translations
ERV Genesis 1:6Then God said, “Let there be a space to separate the water into two parts!”
AMP Genesis 1:6And God said, “Let there be an expanse [of the sky] in the midst of the waters, and let it separate the waters [below the expanse] from the waters [above the expanse].”
NIV Genesis 1:6And God said, “Let there be a vault between the waters to separate water from water.”