Explore a collection of fascinating ideas to expand your space knowledge. From the mysteries of the universe to the latest discoveries, discover new insights and broaden your understanding of the cosmos.
Astronomy is the study of objects in outer space, such as stars, moons, and planets. It also is the study of phenomena in the physical universe -- and the properties of objects that are usually far away from Earth. But what are some common "space words" and what do they mean? This article will review astronomical terms and define some of the most common space words around.