"And it is He who placed for you the stars, that you may be guided by them" (Quran 6:97); meaning: those among them by which one is guided.
﴿وَهُوَ الَّذِي جَعَلَ لَكُمُ النُّجُومَ لتهتدوا بهَا﴾ يَعْنِي: الَّتِي يُهْتَدَى بِهَا مِنْهَا.