Pluto was discovered in 1930 but it is not a planet anymore according to the International Astronomer's Union
The most metallic element on the planet is Francium. It is the last element to be discovered that was not made synthetically.
Which planet?
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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.
No planet was discovered in 1932. You probably mean Pluto. That was discovered in 1930. It has since been downgraded to a "dwarf planet".
William herschel discovered the planet uranus
The planet Uranus was discovered in 1781 by William Herschel.
THIS PLANET IS THE FIRST TO BE DISCOVERED BY MATH THIS PLANET IS THE FIRST TO BE DISCOVERED BY MATH
The planet Neptune was discovered in 1846.
I think planet x was the last to be discovered. Not sure
Pluto was discovered in 1930. At the time it was considered to be a planet, but it is now considered a dwarf planet.
water was recently discovered on planet mars