Zeph 1:5

1:5 those who bow down . . . to the host of the heavens. Baal worship and the worship of the stars were sins that had contributed to the demise of the northern kingdom in the eighth century b.c. (2 Kin. 17:16). Altars were apparently erected upon the roofs of the houses (2 Kin. 23:12; Jer. 19:13).

Milcom. Or, “Molech.” Worship of this Ammonite god, which involved the hideous practice of child sacrifice, was strictly forbidden (Lev. 18:21 note; 20:2–5; cf. 1 Kin. 11:5; 2 Kin. 23:10; Jer. 32:35).