Burned from all sides — from above by the blazing sun and from below by the fire of Lord Saṅkarṣaṇa — the universal sphere will glow like a burning ball of cow dung.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
दहत्यनिलवेगोत्थः शून्यान् भूविवरानथ । उपर्यधः समन्ताच्च शिखाभिर्वह्निसूर्ययोः
dahatyanilavegotthaḥ śūnyān bhūvivarānatha | uparyadhaḥ samantācca śikhābhirvahnisūryayoḥ
SB 12.4.10