They fought from heaven. — The “they” is impersonal — the powers above. (Comp. Luke 12:20, Greek, and for the fact, Judges 4:22.)
The stars in their courses. — This is probably a general reference to the providential storms which had secured the victory to Israel. To understand the “stars” as meaning “angels” is a mistaken inference from Job 38:7. There is a striking parallel in Claudian’s poem on the Consulship of Honorius: —
“Oh nimium dilecte Deo, cui militat aether
Et conjurati veniunt ad classica venti.”
Similarly, Æschylus represents “water and fire, in ruin reconciled,” fighting against the Greek fleet.