Science can provide an understanding of the sky and its various phenomena. The sky, in general terms, refers to the region of the atmosphere that is visible from the Earth's surface. It is the expanse above us that appears blue during the day and contains celestial objects such as the sun, moon, stars, and clouds.
From a scientific perspective, the blue color of the sky during the day is a result of a phenomenon called Rayleigh scattering. The Earth's atmosphere scatters shorter wavelength light, particularly blue light, from the sun in all directions. This scattering causes the blue light to be more visible to our eyes, giving the sky its characteristic color.
At night, the sky reveals a vast array of stars and other celestial objects. These objects are located in space, which is beyond the Earth's atmosphere. Through the field of astronomy, scientists study and explore the composition, movements, and properties of celestial objects, helping us gain knowledge about the universe and its origins.
The sky is not a physical object with a specific location, but rather a visual perception of the space above us. It extends infinitely in all directions. While science can provide explanations and insights into the phenomena observed in the sky, the sky itself is a concept that relates to our perception of the atmosphere and the universe beyond.