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there are only 8 true lanets meaning that Neptune is the coldet but pluto is a dwarf planet but he is colder still.
Edit by Dan:
Just thought I'd point out that Pluto isn't a planet not only because of it's size but because it was too far away from the other planets and they kept discovering more planets and it would be okay just as long as they didn't find anything bigger than Pluto which they did which was the planet Eris;D so now Pluto belongs to the very distant Kuiper Belt:)
What else can I help you with?
What are the coolest planet?
The coolest planet is obviously Jupiter it all the planets an fit inside it and a storm has been going on it since the 1800s
Is Mars cool?
Mars is the 2nd coolest planet. (That's the 2nd best out of 8 planets!)
Is the planet biyo one of the nine major planets?
No. Biyo is an asteroid, not a planet.
What is the second smallest planet out of the eight planets?
There are actually nine planets in our solar system.
What is the coolest planet an the solar system?
Neptune is the coldest of the eight planets, as it's the furthest from the fiery inferno of the sun.
The solar planet consist of how many planets?
It used to have nine planets but now there is only eight because Pluto is now a dwarf planet.
What spacecraft that visited the nine planet?
No spacecraft has visited all the planets.
How many planets were left in your solar system when Pluto was considered an planet?
There were a total of nine planets in the solar system when Pluto was considered a planet.
Why is Pluto not among the nine planet?
Pluto is no longer among the nine planets anymore because it is too small. This planet also does not have an extensive atmosphere.
Which one of the planets is dwarf?
Pluto used to be one of the nine planets, but it was re-classified as a Dwarf Planet in 2006
Is Pluto a dorph planet?
Pluto used to be one of the nine planets, but it was re-classified as a Dwarf Planet in 2006.
What do the sun and its nine planet form?
The Sun and its eight1 planets, along with all of their moons, the asteriods, comets, dwarf planets, and minor debris, form the Solar System.---------------------------------------------------------------------------------------------------1In 2006, the International Astronomical Union changed the definition of a planet, resulting in the redefinition of Pluto as a dwarf planet, and no longer one of the nine planets. As a result, the Solar System has eight planets.
