FY9 is another name for the dwarf planet Makemake.
Discovered March 31, 2005
It was discovered in 1978. But it's not a dwarf planet. It's a moon of the dwarf planet Pluto.
The dwarf planet discovered in 2004 is Haumea. It was officially recognized as a dwarf planet by the International Astronomical Union in September 2008.
Ceres is the smallest dwarf planet. Ceres is a newly discovered planet
81 years ago, the PLANET Pluto was discovered. It wasn't reclassified as a "dwarf planet" until 2006.
The dwarf planet discovered in 2005 is named Eris. This dwarf planet is located in the Kuiper Belt, a region beyond Neptune in the outer solar system.
No planet was discovered in 1932. You probably mean Pluto. That was discovered in 1930. It has since been downgraded to a "dwarf planet".
Pluto was discovered in 1930. At the time it was considered to be a planet, but it is now considered a dwarf planet.
Giuseppe Piazzi
2008
The most recent dwarf planet discovered was Makemake, on March 31, 2005. The most recent planet accepted into the category of dwarf planet was Haumea, on September 17, 2008.
Pluto was discovered in 1930 and dubbed the ninth planet. It was known as the ninth planet up until 2006, when it was reclassified as a dwarf planet. Now there are only eight officially recognised planets in our solar system, with an additional five dwarf planets and several more dwarf planet candidates.
The dwarf planet Ceres was discovered on January 1, 1801 by the Italian astronomer Giuseppe Piazzi. It is the largest object in the asteroid belt located between Mars and Jupiter and was classified as a dwarf planet in 2006.