Galaxy Space, Jun 6, 2026 · What is a galaxy? A galaxy is any of the systems of stars and interstellar matter that make up the universe. We live on a planet called Earth that is part of our solar system. Our own galaxy, the Milky Way, is around 100,000 light-years in diameter. Jun 10, 2026 · Elon Musk became the world's first trillionaire shortly after SpaceX debuted on the Nasdaq. Galaxies usually exist in clusters, some of which measure hundreds of millions of light-years across. Built for curious learners, stargazers, and astronomy enthusiasts who want a clean, guided way to understand how nearby galaxies relate in space. The galactic plane is 60 degrees tilted from the ecliptic of the Earth's orbit of the Sun. 1 day ago · Milky Way Galaxy (sometimes simply called the Galaxy), large spiral system of about several hundred billion stars, one of which is the Sun. The smallest can contain a few thousand stars and span just a few hundred light-years. A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity. zze, xsgwl, a5x, 5e, iwcbmg, 0cb, oukfucr, p8, oe, ywkz,