The Milky Way Galaxy is a spiral galaxy spanning approximately 100,000 light-years across. Our Sun is one of at least 100 billion stars residing within it, arranged in four main…

The Andromeda Galaxy is the closest large spiral galaxy to our Milky Way. Aside from the Large and Small Magellanic Clouds, which are visible from the Southern Hemisphere, Andromeda is…

The universe encompasses everything that exists, including all of the space around us, the energy within that space, and even time itself. It includes us, the Earth, the Moon, and…