en_tn_condensed/psa/078/023.md

he commanded the skies

Asaph speaks of the skies as if they were a person who could hear and obey God's commands. Alternate translation: "he spoke to the sky" (See: rc://en/ta/man/translate/figs-personification)

skies

Possible meanings are 1) "sky" or 2) "clouds."

opened the doors of the sky

Asaph speaks of the sky as if it were a storeroom with doors. Alternate translation: "opened the sky as if it were a storeroom" (See: rc://en/ta/man/translate/figs-metaphor)