He is the bestower of blessings who has set constellations in the heavens, as also a lamp (sun) and a moon that give light (for the inhabitants of this earth)
Most Blessed and Most Glorified is He Who made vast mansions of heavenly spheres (in the form of galaxies) in the heavenly cosmos and made (the sun) in it a (light-generating and heat-emitting) lamp and a shining moon (in the solar system)
So magnificent is He Who forms constellations in the skies (the materialization of the various compositional groups of His Names at the macro level) and forms an object (the Sun – energy source) of radiance (Nur) and an illuminating reflection (the Moon – the reflector of light) (each of them have different functions)!
Sayyed Abbas Sadr-Ameli
Blessed is He Who has set in heaven constellations, and has set therein a lamp (the sun) and the moonilluminating
Al-muntakhab fi tafsir al-Qur'an al-Karim
Praise be to Him and extolled are His glorious attributes Who installed in the heavens a belt of the celestial sphere divided into twelve equal Parts - signs of the Zodiac*- through one of which the sun passes each month (the belt extends 8 or 9 degrees on both sides of the ecliptic within which the apparent motions of the sun, moon and principle planets take place). He installed therein a lamp, the sun glowing for illumination and a moon earth's satellite dispersing light to dispel the darkness of the nigh
And when it is said to them, "Prostrate before the Beneficent (Allah)," they say, "And what is the Beneficent? Shall we prostrate before anything you enjoin on us?" And it increases their hatred.