Rank the following items that describe distances from longest distance (left) to shortest distance (right). (if two distances are equal, drag the second item on top of the first item.)
- the distance from the milky way galaxy to the andromeda galaxy
- the distance from the sun to the center of the milky way galaxy
- the distance from earth to alpha centauri
- one light-year
- the distance across out solar system (to neptune)
- the average distance from earth to the sun & one astronomical unit (au)