(12) And He completed them as seven heavens within two days and inspired [i.e., made known] in each heaven its command. And We adorned the nearest heaven with lamps [i.e., stars, for beauty] and as protection.[1387] That is the determination of the Exalted in Might, the Knowing.
[1387]- From the devils who attempt to steal information from the angels.
— الترجمة الإنجليزية - صحيح انترناشونال
 12. Then He completed and finished from their creation (as) seven heavens in two Days and He made in each heaven its affair. And We adorned the nearest (lowest) heaven with lamps (stars)[1] to be an adornment as well as to guard (from the devils by using them as missiles against the devils). Such is the Decree of Him the All-Mighty, the All-Knower.
(V.41:12) See the footnote of (V.6:97).
— الترجمة الإنجليزية
فَقَضَىٰهُنَّ سَبۡعَ سَمَٰوَاتٖ فِي يَوۡمَيۡنِ وَأَوۡحَىٰ فِي كُلِّ سَمَآءٍ أَمۡرَهَاۚ وَزَيَّنَّا ٱلسَّمَآءَ ٱلدُّنۡيَا بِمَصَٰبِيحَ وَحِفۡظٗاۚ ذَٰلِكَ تَقۡدِيرُ ٱلۡعَزِيزِ ٱلۡعَلِيمِ

So He decreed them as seven heavens in two days, and He revealed in every heaven its Command. And We have adorned the lowest heaven with lamps, and (set Angels) preserving them. That is the determining of The Ever-Mighty, The Ever-Knowing.
— Dr. Ghali - English translation
فَقَضَىٰهُنَّ سَبۡعَ سَمَٰوَاتٖ فِي يَوۡمَيۡنِ وَأَوۡحَىٰ فِي كُلِّ سَمَآءٍ أَمۡرَهَاۚ وَزَيَّنَّا ٱلسَّمَآءَ ٱلدُّنۡيَا بِمَصَٰبِيحَ وَحِفۡظٗاۚ ذَٰلِكَ تَقۡدِيرُ ٱلۡعَزِيزِ ٱلۡعَلِيمِ

Then He completed and finished from their creation (as) seven heavens in two Days and He made in each heaven its affair. And We adorned the nearest (lowest) heaven with lamps (stars) to be an adornment as well as to guard (from the devils by using them as missiles against the devils). Such is the Decree of Him the All-Mighty, the All-Knower.
— Muhsin Khan - English translation
فَقَضَىٰهُنَّ سَبۡعَ سَمَٰوَاتٖ فِي يَوۡمَيۡنِ وَأَوۡحَىٰ فِي كُلِّ سَمَآءٍ أَمۡرَهَاۚ وَزَيَّنَّا ٱلسَّمَآءَ ٱلدُّنۡيَا بِمَصَٰبِيحَ وَحِفۡظٗاۚ ذَٰلِكَ تَقۡدِيرُ ٱلۡعَزِيزِ ٱلۡعَلِيمِ

Then He ordained them seven heavens in two Days and inspired in each heaven its mandate; and We decked the nether heaven with lamps, and rendered it inviolable. That is the measuring of the Mighty, the Knower.
— Pickthall - English translation
فَقَضَىٰهُنَّ سَبۡعَ سَمَٰوَاتٖ فِي يَوۡمَيۡنِ وَأَوۡحَىٰ فِي كُلِّ سَمَآءٍ أَمۡرَهَاۚ وَزَيَّنَّا ٱلسَّمَآءَ ٱلدُّنۡيَا بِمَصَٰبِيحَ وَحِفۡظٗاۚ ذَٰلِكَ تَقۡدِيرُ ٱلۡعَزِيزِ ٱلۡعَلِيمِ

So He completed them as seven firmaments in two Days, and He assigned to each heaven its duty and command. And We adorned the lower heaven with lights, and (provided it) with guard. Such is the Decree of (Him) the Exalted in Might, Full of Knowledge.
— Yusuf Ali - English translation
فَقَضَىٰهُنَّ سَبۡعَ سَمَٰوَاتٖ فِي يَوۡمَيۡنِ وَأَوۡحَىٰ فِي كُلِّ سَمَآءٍ أَمۡرَهَاۚ وَزَيَّنَّا ٱلسَّمَآءَ ٱلدُّنۡيَا بِمَصَٰبِيحَ وَحِفۡظٗاۚ ذَٰلِكَ تَقۡدِيرُ ٱلۡعَزِيزِ ٱلۡعَلِيمِ

And He completed them as seven heavens within two days and inspired in each heaven its command. And We adorned the nearest heaven with lamps and as protection. That is the determination of the Exalted in Might, the Knowing.
— Sahih International - English translation
فَقَضَىٰهُنَّ سَبۡعَ سَمَٰوَاتٖ فِي يَوۡمَيۡنِ وَأَوۡحَىٰ فِي كُلِّ سَمَآءٍ أَمۡرَهَاۚ وَزَيَّنَّا ٱلسَّمَآءَ ٱلدُّنۡيَا بِمَصَٰبِيحَ وَحِفۡظٗاۚ ذَٰلِكَ تَقۡدِيرُ ٱلۡعَزِيزِ ٱلۡعَلِيمِ

(41:12) Then He made them seven heavens in two days and revealed to each
heaven its law. And We adorned the lower heaven with lamps, and firmly secured
it.6 All this is the firm plan of the All-Mighty, the All-Knowing.
— Abul Ala Maududi(With tafsir) - English translation
فَقَضَىٰهُنَّ سَبۡعَ سَمَٰوَاتٖ فِي يَوۡمَيۡنِ وَأَوۡحَىٰ فِي كُلِّ سَمَآءٍ أَمۡرَهَاۚ وَزَيَّنَّا ٱلسَّمَآءَ ٱلدُّنۡيَا بِمَصَٰبِيحَ وَحِفۡظٗاۚ ذَٰلِكَ تَقۡدِيرُ ٱلۡعَزِيزِ ٱلۡعَلِيمِ

and in two Days He formed seven heavens, and assigned an order to each. We have made the nearest one beautifully illuminated and secure. Such is the design of the Almighty, the All Knowing.
— Abdul Haleem - English translation
فَقَضَىٰهُنَّ سَبۡعَ سَمَٰوَاتٖ فِي يَوۡمَيۡنِ وَأَوۡحَىٰ فِي كُلِّ سَمَآءٍ أَمۡرَهَاۚ وَزَيَّنَّا ٱلسَّمَآءَ ٱلدُّنۡيَا بِمَصَٰبِيحَ وَحِفۡظٗاۚ ذَٰلِكَ تَقۡدِيرُ ٱلۡعَزِيزِ ٱلۡعَلِيمِ

So He accomplished them as seven skies in two days, and settled in every sky its (due) thing. And We have decorated the closest sky with lamps, and protected it properly. All this is the determination of the All-Mighty, the All-Knowing.
— Mufti Taqi Usmani - English translation
فَقَضَىٰهُنَّ سَبۡعَ سَمَٰوَاتٖ فِي يَوۡمَيۡنِ وَأَوۡحَىٰ فِي كُلِّ سَمَآءٍ أَمۡرَهَاۚ وَزَيَّنَّا ٱلسَّمَآءَ ٱلدُّنۡيَا بِمَصَٰبِيحَ وَحِفۡظٗاۚ ذَٰلِكَ تَقۡدِيرُ ٱلۡعَزِيزِ ٱلۡعَلِيمِ

So He formed the heaven into seven heavens in two Days, assigning to each its mandate. And We adorned the lowest heaven with ˹stars like˺ lamps ˹for beauty˺ and for protection. That is the design of the Almighty, All-Knowing.”
— Dr. Mustafa Khattab, The Clear Quran - English translation
فَقَضَىٰهُنَّ سَبۡعَ سَمَٰوَاتٖ فِي يَوۡمَيۡنِ وَأَوۡحَىٰ فِي كُلِّ سَمَآءٍ أَمۡرَهَاۚ وَزَيَّنَّا ٱلسَّمَآءَ ٱلدُّنۡيَا بِمَصَٰبِيحَ وَحِفۡظٗاۚ ذَٰلِكَ تَقۡدِيرُ ٱلۡعَزِيزِ ٱلۡعَلِيمِ

So He formed the heaven into seven heavens in two Days, assigning to each its mandate. And We adorned the lowest heaven with ˹stars like˺ lamps ˹for beauty˺ and for protection. That is the design of the Almighty, All-Knowing.”1 
— Dr. Mustafa Khattab - English translation
He then formed them into seven heavens in two Days and assigned to each heaven its mandate. And We adorned the lowest heaven with lamps [stars] which also serves as a protection. That is the design of the All-Mighty, the All-Knowing.”
— الترجمة الإنجليزية - مركز رواد الترجمة
12. Then Allah completed the creation of the heavens in two days: Thursday and Friday. With that, the creation of the heavens and the earth was completed in six days. Allah inspired in every heaven whatever He would decree concerning it and whatever obedience and worship He would command. Allah also decorated the nearest heaven with stars, and protected it from the satans’ eavesdropping. All that is the decree of the Almighty who no one can overcome, and who is all aware of His creation.
— الترجمة الإنجليزية للمختصر في تفسير القرآن الكريم
So He decreed that they become seven heavens in two days, and assigned to each heaven its task. We adorned the sky nearest to the earth with lights, and made them secure. Such is the design of the Almighty, the All-Knowing.
— ترجمة معاني القرآن الكريم - عادل صلاحي