Examines galaxies and how they are divided into three types according to shape.
This a video tour of the Andromeda Galaxy (M31). It is a spiral galaxy much like our own Milky Way Galaxy.
Miniscule changes over enormous periods of time will lead to remarkable differences in Earth and its environment.
Billions of years from now the Milky Way will collide with its nearest neighbor, the spiral galaxy Andromeda. Together they will form one galaxy, Milkdromeda.
Explores the battle between forces in the universe and the ultimate fate of the universe.