I apologize for any confusion caused by my previous statement. It seems there was a misunderstanding. Light does not require a medium to travel, and it can propagate through the vacuum of space.
Unlike sound waves, which require a medium like air, water, or solids to travel, light is an electromagnetic wave that can travel through empty space. This is one of the fundamental principles of physics, established by James Clerk Maxwell's equations.
In the context of space, when light is emitted from the Sun, it travels through the vacuum without the need for a physical medium. Space is not entirely empty; it contains various particles, such as photons, neutrinos, and occasional interstellar gas and dust. However, these particles are sparse and do not impede the propagation of light significantly.
The energy and information carried by light from the Sun can traverse the vast distances of space and reach Earth due to the wave-particle duality of light and its electromagnetic nature. The speed of light in a vacuum is approximately 299,792 kilometers per second, allowing light to cover enormous distances, such as those between celestial bodies, including the Sun and Earth.
Therefore, light can travel through the vacuum of space without requiring a physical medium, enabling us to observe the sunlight reaching our planet.