6 Bible Verses about Firmament

Those who manifest wisdom will shine like the brightness of the expanse of heaven, and those who turn many to righteousness will shine like the stars for ever and ever.

Then God said, "Let the oceans swarm with living creatures, and let flying creatures soar above the earth throughout the sky!"

The heavens are declaring the glory of God, and their expanse shows the work of his hands.

Then God said, "Let there be a canopy between bodies of water, separating bodies of water from bodies of water!" So God made a canopy that separated the water beneath the canopy from the water above it. And that is what happened: God called the canopy "sky." The twilight and the dawn were the second day.

Then God said, "Let there be lights across the sky to distinguish day from night, to act as signs for seasons, days, and years, to serve as lights in the sky, and to shine on the earth!" And that is what happened: God fashioned two great lights the larger light to shine during the day and the smaller light to shine during the night as well as stars. read more.
God placed them in space to shine on the earth,