Matsya Purana — Planetary Chariots
एते वाहा ग्रहाणां वै मया प्रोक्ता रथैः सह सर्वे ध्रुवे निबद्धास्ते निबद्धा वातरश्मिभिः //
ete vāhā grahāṇāṃ vai mayā proktā rathaiḥ saha sarve dhruve nibaddhāste nibaddhā vātaraśmibhiḥ //
Thus have I described the steeds of the planets, together with their chariots. All of them are fastened to Dhruva (the Pole Star), being bound by cords made of the rays of wind.
It does not describe pralaya directly; it explains cosmic stability during the functioning cosmos, portraying planetary motion as regulated and “tethered” to Dhruva by vātaraśmi (wind-cords), emphasizing order rather than dissolution.
Indirectly, it models the Purāṇic ideal of niyati (regulated order): just as grahas move within a fixed cosmic discipline centered on Dhruva, a king and householder should act within dharma—self-restraint, rule-bound governance, and alignment with cosmic/ritual calendars informed by jyotiṣa.
No direct Vāstu rule is stated, but Dhruva as the cosmic axis supports ritual orientation principles—northward alignment and stable axis symbolism—often echoed in temple/altar orientation and calendrical rites timed with graha considerations.