1. It's just another Kuiper Belt object.

2. Artificial illumination on a Kuiper Belt Object would stand out because it would vary less than reflected sunlight does when the world moved toward or away from the sun.

3. The first Kuiper Belt object was spotted in 1992; only it surely was not until the middle of the last decpublishinge thourite profitle got its widest notches.

4. Eris is a Kuiper Belt Object, one of the most recent discoveries in the solar system.

5. The smallest Kuiper Belt Object (KBO) seen previously in reflected light is roughly 30 miles across, or 50 times larger.

6. So far there are just five confirmed dwarf planets, including the most famous Kuiper Belt object, Pluto.

7. NASA is considering launching a spacecraft to explore Pluto, its moon, Charon , and at least one Kuiper Belt object, but whether it will be funded remains unclear.