According to our current understanding of physics, the fastest possible speed for any object in the universe is the speed of light in a vacuum, denoted as "c." In the theory of special relativity, formulated by Albert Einstein, the speed of light is considered an absolute speed limit that cannot be surpassed by any material object with mass.
The speed of light in a vacuum is approximately 299,792,458 meters per second (or about 186,282 miles per second). It plays a fundamental role in our understanding of the universe and is a fundamental constant in physics.
The concept of objects traveling at infinite speeds through space is not consistent with our current understanding of physics. According to Einstein's theory of relativity, as an object with mass approaches the speed of light, its mass would increase, requiring more and more energy to continue accelerating. As an object with mass reaches the speed of light, its mass would theoretically become infinite, which would require an infinite amount of energy to propel it further. This means that it is impossible for an object with mass to achieve or exceed the speed of light.
Light itself, being composed of massless particles called photons, travels at the speed of light in a vacuum. Photons do not have mass, and thus, they are not subject to the limitations imposed by Einstein's theory of relativity. They always travel at the speed of light and cannot be accelerated or decelerated.
It is important to note that our understanding of the universe is constantly evolving as new scientific discoveries are made. While the speed of light as the cosmic speed limit is a well-established concept, future advancements may bring new insights and revise our current understanding.