Translation of the verse 2 from Surah At-Takwir : Number of verses 29 - - page 586 - Part 30.
And when the stars shall fall;
And when the stars fall, dispersing,
(81:2) when the stars shall scatter away, *2
*2) That is, when the force which is keeping them in their orbits and positions is loosened and alI the stars and planets will scatter in the universe. The word inkidar also indicates that they will not only scatter away but will also grow dark.
Source : At-Takwir Verse 2: And when the stars fall, dispersing,