Exploring the Universe: Stars, Galaxies, Planets, and Satellites
2023-07-28 20:50:06 Park Jong-jin The universe is made up of stars. A star is called a star in Chinese characters, and a group of hundreds of billions of such stars is called a galaxy. In particular, the galaxy to which our star, the sun, belongs is called the Milky Way. A star is a celestial … Read more