By a man called Clyde Tombaugh who replaced the previous man, Percival Lowel, who was trying to find a new planet after his rejections that aliens lived on Mars. Basically, there was a dude who wanted to prove there was a new planet found by him but then died. A guy replaced him and he found Pluto. And Pluto was a tiny tiny tiny dot in the sky.
Pluto is a dwarf planet. there has been dwarf planets found bigger then pluto.
Droplets and small amount of water vapor are found on Pluto's surface.
Pluto is about 5,913 million km from the sun (on average).
Robots have not landed on Pluto. The New Horizons spacecraft has only observed Pluto from orbit.
pluto was found as a dwarf planet by the international astronomical union on august 24th 2006
Pluto was founded by ancient Greek astronomers thousands of years ago. So I'll go with Pluto the planet, despite it now being a dwarf planet.
Very little matter is found on pluto, as the planet is made mostly of gases (such as frozen nitrogen ETC.) Answered by TheGamerJ4
Pluto is a Roman god, not Greek. Pluto to the Romans was King of the Underworld and so ruled it, and was god of wealth found underground.
Pluto was found to be a giant star, by some very smart Astrologists/Scientists. Pluto is not the 9th known planet of our solar system.
Eris is found past Neptune along with Pluto
Uranus is closer to Pluto than it is to Eris. Pluto is located in the Kuiper Belt, while Eris is found in the scattered disk region of the outer solar system.
Poisonous carbon monoxide gas has been found in the atmosphere of the dwarf planet Pluto