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You can consider a dwarf planet to be a special case from an asteroid - one that has achieved hydrostatic equilibrium, which basically means that it has enough gravity to force it into a round shape.

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What makes an asteroid different from a dwarf planet?

Generally it's the size. If an asteroid were to be big enough to achieve hydrostatic equilibrium (approximately spherical in shape), then it may be classed as a dwarf planet, such as Ceres. Asteroids are generally too small to active this shape under their gravity so are not classed as dwarf planets.


What makes Sedna different from the other dwarf planets?

It is in between the Kuiper Belt and the Oort Cloud


What makes a planet be classified as a dwarf planet instead of a moon?

Moons orbit planets. Planets (and dwarf planets) orbit stars.


What makes up planets?

rocks and stones also asteroids and meteroids


What factors make Pluto different from the major planets?

There is only one factor that makes Pluto different from major planets:Pluto has not cleared its "neighborhood" of asteroids and debris.


What are the dwarf planets made of?

Pluto is made of mainly Nitrogen and Methane, and its atmosphere consists of Nitrogen, some methane, carbon monoxide, and ethane. Pluto's surface temperature is about 44 degrees Kelvin. Pluto's diameter is about 2,340 km or 1,454 miles.Dwarf planets are made up of the same things as other planets except they are smaller.


Why are dwarf planets small?

Dwarf planets are not a special type of planet. A small planet is later classified a dwarf planet. The only characteristic that makes it a dwarf planet is the size. Your question should be why are some planets small?


What comprises the solar system?

Our solar system is made of the planets, the sun(which is our star), asteroids, moons, comets. In our Solar System we also have the planets, Mercury, Venus,Earth,Mars,Jupiter,Saturn,Uranus and Neptune.


Why does the number of dwarf planets constantly change?

The number of dwarf planets constantly changes because new objects in the solar system are being discovered and classified. These objects need to meet certain criteria to be considered dwarf planets, so as our technology and understanding of the universe improve, the number of known dwarf planets can increase or decrease.


What makes up the inner solar system?

The four terrestrial planets (Mercury, Venus, Earth and Mars, the three moons (The Moon, Phobos & Deimos)) and the asteroids.


What is the force that makes your weight change on different planets?

Gravity


What makes Pluto different from the planets?

It's smaller and colder