1. Quaoar is only about 1,200 kilometers across.

2. Scientists estimate that Quaoar takes about 288 years to orbit the sun.

3. The discovery of Quaoar has again raised questions about Pluto.

4. Pluto and Quaoar might represent a separate kind of object from the Kuiper Belt.

5. Pluto has a moon, called Charon , which is about the size of Quaoar itself.