Verse 4

स तत्प्रस्तारयामास पृष्ठे चारु मृगाजिनम् ।नीलरत्नतटे मेरुस्तारासारमिवाम्बरम्

In plain words

Upon it he spread a lovely deerskin - as Meru spreads, upon its slope of sapphire, the sky thick with stars.