﴿ وَٱلسَّٰبِحَٰتِ سَبْحًۭا ﴾

“and float [through space] with floating serene,”

(By the lone stars floating) and it is also said that He is here swearing by the angels who take away the souls of the righteous slowly and gently and then let them rest; it is also said this refers to the souls of the believers,