Because of the constant shadows at the poles, this forms on mercury
What is ice?
These two elements are the most commonly found ones in the outer planets
What are hydrogen and helium?
This is what makes dwarf planets different from regular planets
What is an orbit pattern?
This group of planets is dense, solid and rocky
What are the inner planets?
This is what the inner planets are mostly made of
What are rocks?
What are iron and nickel?
This dwarf planet's atmosphere freezes
What is Eris?
This group of planets orbit pattern is very uneven
What are dwarf planets?
This group of planets are known as gas giants
What are the outer planets?
This element gives mars it's red color
What is iron?
These two things make up the core of Jupiter
What are rocks and ice?
This is the only dwarf planet in the inner part of our solar system
What is Ceres?
This group of planets has five in our solar system
What are dwarf planets?
These three elements make up the atmosphere of mars
What are carbon dioxide, argon, and nitrogen?
These three elements make up the atmosphere of Uranus
What are hydrogen helium and methane
This planet has a rocky core surrounded by ice
What is Pluto?
This planet has the most prominent rings of our solar system
What is Saturn?
This causes the yellow clouds in Venus's atmosphere
What is sulfuric acid?
This element give Neptune it's blue color
What is methane?
This dwarf planet has a moon called Dysnomia
What is Eris?
This planet has two moons, Phobos and Deimos
What is Mars?