Pluto. Poor thing...
Pluto
Pluto.
Pluto is probably nearly 50% water ice. Of course, it was demoted to "dwarf planet" status.
In 1853 Vesta, Juno, Ceres and Pallas were demoted from planets to minor planets, and in 2006 Pluto was demoted from planet to dwarf planet.
Pluto. It is now considered a dwarf planet.
pluto
Pluto
Pluto.
Pluto is probably nearly 50% water ice. Of course, it was demoted to "dwarf planet" status.
Well, that it's a planet for starters. It was demoted to "dwarf planet" in 2006.
In 1853 Vesta, Juno, Ceres and Pallas were demoted from planets to minor planets, and in 2006 Pluto was demoted from planet to dwarf planet.
Pluto. It is now considered a dwarf planet.
In 2006 Pluto was redefined as a "Dwarf planet"; and not a true planet.
Pluto.
Pluto. It used to be considered a planet. Now is it officially a dwarf planet. More like a big moon, or asteroid, instead of a planet.
Mercury is the SMALLEST (littlest) PLANET in our solar system, it WAS the SECOND SMALLEST PLANET PRIOR TO Pluto being demoted from a classification of Planet, to a classification of Planetoid.
The main reason is that it is so far away from the Sun, that it is considered part of the Kuiper belt - not the solar system. There are similar sized objects to Pluto in the Kuiper belt system, and thus Pluto was 'demoted' to dwarf planet status.