The "firmament" (sky) (Hebrew: rāqîaʿ) refers to the open expanse or open sky. The firmament (sky) was created on the second day of creation. The firmament's (sky) purpose was to separate the "waters above" from the "waters below." Genesis 1:14 And God said, "Let there be ‘LIGHTS’ in the firmament (sky) of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days and years." SCRIPTURE Above says the Lights (Sun) (Moon) Are