What are dwarf planets — and how many are there?
SMRTR summary
Pluto's demotion to dwarf planet status in 2006 sparked interest in these celestial bodies. Dwarf planets orbit the sun and are round but lack the gravitational dominance of true planets. The International Astronomical Union officially recognizes five dwarf planets, but estimates suggest there could be hundreds more in our solar system, with many yet to be discovered due to their distance and faintness.
SMRTR provides this summary for quick context. The original article belongs to Live Science.
Read the original article