Neptune, comets, and dwarf planets

Where is Neptune?

How big is Neptune?

What does Neptune look like?

What is Neptune made of?

What is Neptune's atmosphere made of?

What is the weather like on Neptune?

How does Neptune compare with Earth?

How does Neptune move around the sun?

What are Neptune's rings made of?

How many moons does Neptune have?

What is unusual about Neptune's moon Triton?

How did Neptune get its name?

Which space missions have studied Neptune?

Could there be life on Neptune or its moons?

What is a comet?

Where do comets come from?

What is a dwarf planet?

Where are the dwarf planets?

How big are the dwarf planets?

What are the dwarf planets made of?

What does Pluto look like?

How does Pluto move around the sun?

Is there a space mission to study Pluto?

What does Ceres look like?

What does Eris look like?

What does Makemake look like?

What does Haumea look like?

Could there be other dwarf planets?