The Galactic Plane is the plane in which the majority of a galaxy's mass lies, including stars, gas, and dust. In our Milky Way, this plane is where most of the galaxy's stars are found, creating a band of light that is visible from Earth. This structure is crucial for understanding the formation and evolution of galaxies. In the Milky Way, the Galactic Plane is approximately aligned with the equatorial plane of the Earth, making it easier for astronomers to study. Observations of this plane help scientists learn about stellar formation, the distribution of dark matter, and the dynamics of our galaxy.