Matsya Purana — Vishnu’s Names Across Yugas and the Gods’ Refuge During the Tārakāmaya War
तत उल्कासहस्राणि निपेतुः खगतान्यपि दिव्यानि च विमानानि प्रपतन्त्युत्पतन्ति च //
tata ulkāsahasrāṇi nipetuḥ khagatānyapi divyāni ca vimānāni prapatantyutpatanti ca //
Then thousands of meteors fell; and even divine aerial cars, moving through the sky, were seen plunging down and rising up again.
It depicts utpātas—violent celestial anomalies (meteors and unstable heavenly vimānas)—signaling cosmic disorder typical of pralaya-like upheaval.
As an omen-verse, it indirectly supports the Purāṇic ethic that rulers and householders should respond to portents with restraint, protection of people, and intensified dharma (rites, charity, and order), rather than panic.
No direct Vāstu rule is stated; ritually, such sky-omens are classic triggers for śānti-karmas (pacificatory rites) in Purāṇic practice to counteract perceived cosmic imbalance.