Physics — Galaxy Book

The universe is a vast and complex system, comprising billions of galaxies, each containing billions of stars. The universe is thought to have begun around 13.8 billion years ago with the Big Bang, a massive explosion that marked the beginning of space and time as we know it. The universe has been expanding and evolving ever since, with galaxies and stars forming and dying over billions of years.

\[F = ma\]

\[PV = nRT\]

These equations, which describe the relationship between force, energy, and matter, are fundamental to understanding the behavior of the universe and are discussed physics galaxy book