Why do constellations position change?

If you mark the locations of a set of stars one month, you won't see them in the same location the next. In fact, if you could measure positions precisely, you'd discover that stars appear to change locations each night. read more

Stars form patterns in the sky and are referred to as constellations. It is these patterns that the ancient Greeks used to tell stories of mythology and their gods. There are 88 constellations that make up the sky. The earth is tilted 23.5 degrees off the vertical. read more

Our friends at the Cable Natural History Museum in Cable, Wisconsin, ask whether constellations ever break apart or change. To answer this, first let's think about what the constellations are, and then we can see whether they change. When we look at the night sky, we see distant stars shining like faint lights. read more