1) Worship 2) Worship of heavenly bodies 3) Worship of planets or stars 
Astrolatry is the worship of stars and other heavenly bodies as deities, or the association of deities with heavenly bodies. The most common instances of this are sun gods and moon gods in polytheistic systems worldwide. Also notable is the association of the planets with deities in Babylonian, and hence in Greco-Roman religion, viz. Mercury, Venu...
worship of stars
• (n.) The worship of the stars.
As·trol'a·try noun [ Astro- + Greek ... service, worship: confer French astrolâtrie .] The worship of the stars. 
Astrolatry is the worship of celestial objects.
[n] - worship of planets or stars
astrolatry The worship of the heavenly bodies or the stars.
worship of heavenly bodies noun the worship of planets or stars
the worship of planets or stars