galaxy
What Is a Galaxy, and How Many Are There?
A galaxy is a city of stars, held together by gravity and adrift in a universe that holds hundreds of billions more like it. Ours is just one. Here is what a galaxy actually is, and how astronomers count them.
More than half of Sunlike Stars in the Milky Way may have a Habitual Planet
A new study suggests that the Milky Way exists with potential planets, which are almost Earth-like. Since there are billions of stars (sun-like) in the Milky Way galaxy, the research suggests that half of these stars can host life on them. These means that they are probable habitual zones. Average numbers state that each sunlike […]