How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Kids in school are learning about the eight planets and the (currently) five dwarf planets.In order from the Sun, we first find Ceres – the largest object in the asteroid belt.

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

Dwarf planets may be small, but they offer big clues about the history and evolution of our solar system, continuing to intrigue scientists with each discovery. Photo Credit: NASA 5 things ...

On Aug. 24, 2006, the International Astronomical Union voted to downgrade Pluto to a dwarf planet, causing controversy both scientifically and culturally.

On Jan. 5, 2005, Eris was discovered. It was considered the largest known dwarf planet in the solar system until a year later when Pluto was downgraded from being a planet.

The dwarf planet is slightly smaller than Pluto, and is the second-brightest object in the Kuiper Belt as seen from Earth. Makemake takes about 305 Earth years to make one trip around the Sun.

Pluto was reclassified as a dwarf planet in 2006. By Julia Jacobo. May 2, 2025, 1:06 PM. 2:43. This is a distant view from Planet Nine back towards the sun.