Cách sử dụng
The word galaxy refers to a large group of stars, gas, and dust that are held together by gravity. Our solar system is a part of the Milky Way galaxy. Galaxies are very big and can contain billions of stars. People use the word galaxy to talk about our own galaxy, the Milky Way, or to describe other galaxies that exist in the universe. The word can be used in different contexts like science, astronomy, and space exploration. It is also used in popular culture, such as in movies or TV shows that feature space or sci-fi themes.