 ये हयाः पुरुहूतस्य पुरा शक्रस्य नश्श्रुताः।अन्तरिक्षगता दिव्यास्त इमे हरयो ध्रुवम्।। 
 The horses of Indra, who is often invoked during sacrificial rituals and about whom  we have heard earlier, are now stationed in the sky. 