A black dwarf is not a planet; it is the remnant of a long dead star that has cooled. A black dwarf would range from about 7,000 to 17,000 miles in diameter.
Well, Pluto isn't recognized as a planet, but as a dwarf planet. Also, there are other dwarf planets, but they are more like really big comets than they are planets.
Small
Because it is not big enough. It is classed as a dwarf planet.
Pluto is a dwarf planet meaning it is a really small planet
depends on how you look at it, eris is the largest dwarf planet
Pluto's diameter is about 2,400 Kilometers.
A black dwarf would be about the same size as a terrestrial planet such as Earth, so it would be larger than some planets but smaller than others.
It's not even a planet, but a dwarf planet. Jovian Planets are big and not solid.Pluto is a solid object with a relatively thin atmosphere.Pluto is small, smaller than any true planet in the solar system.Pluto is not a planet but a dwarf planet.
Pluto the dwarf planet is an example of of a dwarf planet.
A dwarf planet is larger, big enough to make itself into an approximately spherical shape. Asteroids are smaller and more irregular in shape.
Pluto is a dwarf planet located in our solar system. It was once considered the ninth planet but was reclassified as a dwarf planet in 2006. A dog named Pluto is a cartoon character created by Walt Disney.
Mercury is not a dwarf planet. It is a planet.