The Free Dictionary defines sky
n. pl. skies (skīz)
In French, heaven is similarly paradise or ciel.
In Hebrew heaven can be
Astronomers regularly use the noun sky as it refers to the physical space above us. In Judeo-Christian tradition the heavily loaded word heaven causes much confusion and logical difficulties if the spiritual and physical meanings are not carefully observed.
"In the beginning God created heavens and earth" Gen 1:1 leads directly to confusion about what is meant in the text by the majestic plural shamaim, heavens.