In the Year A

Multiple Choice

In the year A.D.15,000,Vega will be a better north star than Polaris.

A) Earth rotates once each day.
B) Earth revolves around the Sun once each year.
C) The direction of Earth's axis in space precesses with a period of 26,000 years.
D) Stars appear to move randomly in the local solar neighborhood
E) The universe is expanding.