the heavens or sky, especially when regarded as a tangible thing.

आसमान

English Usage: The stars twinkled in the firmament.

Hindi Usage: सितारे आसमान में चमक रहे थे।

pertaining to the heavens or sky.

आसमानी

English Usage: The firmamental beauty of the night was breathtaking.

Hindi Usage: रात की आसमानी सुंदरता अभूतपूर्व थी।