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Mike Brown is the man who discovered the dwarf planet Huamea.
There were nine planets. Then astronomers got together and decided what to do with Eris, a dwarf planet that was discovered. They decided to make a definition for what is a planet. That led to Pluto being demoted to a dwarf planet.
Eris (Ub313)
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.
Ceres was discovered on 1 January 1801, by Giuseppe Piazzi.
It was discovered in 1978. But it's not a dwarf planet. It's a moon of the dwarf planet Pluto.
FY9 is another name for the dwarf planet Makemake. Discovered March 31, 2005
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.
Mike Brown is the man who discovered the dwarf planet Huamea.
No planet was discovered in 1932. You probably mean Pluto. That was discovered in 1930. It has since been downgraded to a "dwarf planet".
There were nine planets. Then astronomers got together and decided what to do with Eris, a dwarf planet that was discovered. They decided to make a definition for what is a planet. That led to Pluto being demoted to a dwarf planet.
Pluto, now officially considered a "dwarf planet", was discovered by Clyde Tombaugh at Lowell Observatory in Flagstaff, AZ, in 1930.
Giuseppe Piazzi
2008
Eris (Ub313)
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.