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Sky

/skaɪ/

The vast area high above the Earth, visible during the day as blue and at night filled with stars.

Synonyms:

The skies blacken-it is dusk at noon.It was a perfect circle of clear blue sky.The sky was covered with black clouds.

Originating from Old Norse ský, meaning cloud, the term evolved through Old English as sceo or sceohoa before forming the modern English term sky.

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