Pronunciation: [klˈi͡ə skˈa͡ɪ] (IPA) 
The word "clear sky" is spelled with a /klɪər/ sound for the first word, representing the "cl" blend. The second word, "sky," is spelled with a /skaɪ/ sound, representing the "sk" sound followed by a long /aɪ/ sound. When spoken together, the phrase "clear sky" refers to a weather condition with no clouds present in the sky. Proper spelling can help us communicate more effectively and prevent misunderstandings.
A "clear sky" refers to a weather condition characterized by the absence of clouds or significant atmospheric disturbances, resulting in a vast expanse of unobstructed blue or black overhead. It embodies a state of atmospheric clarity and transparency, where the light from the sun, stars, and other celestial objects can be directly observed.
A clear sky presents a serene and peaceful visual experience, allowing individuals to witness the full magnificence of the cosmos. It often denotes ideal weather conditions, as it implies a lack of precipitation, storms, or fog, providing a sense of tranquility and calmness in the atmosphere. During the day, a clear sky showcases a brilliant blue hue that may occasionally be interspersed with wisps of cirrus clouds or colored by the sun's rays during sunrise and sunset.
At night, a clear sky reveals the celestial wonders of the universe, with countless stars, planets, and galaxies clearly visible to the naked eye. It enables stargazers and astronomers to engage in celestial observations and explore celestial objects, such as constellations, meteor showers, or the moon, with exceptional clarity and detail.
Overall, a clear sky signifies an atmosphere devoid of clouds or atmospheric obstructions, making it a meteorologically and astronomically advantageous condition for various activities and observations.
The word "clear" derives from the Old English word "clǣr", which meant "bright, brilliant, shining, or pure". It is related to the Old High German word "klar", the Middle Dutch word "claer", and the Old Norse word "klarr". It can be traced back to the Proto-Germanic word "klaraz" and the Proto-Indo-European root "*gel-", which meant "to gleam or shine". The word "sky" comes from the Old Norse word "ský", which meant "cloud". It is also related to the Old English word "sceo", meaning "cloud" or "shower". Both "sky" and "sceo" can be traced back to the Proto-Germanic word "*skiwją" and the Proto-Indo-European root "*skei", which meant "to shine or gleam".
