Space Environment What is in space?

What is interstellar dust?

Interstellar dust comes from dying stars as they slowly "burn out" or use up their fuel. You can think of it like soot. Often large clouds of dust will collect in space, drawn together by gravity. This dust can block our views of far away planets and clouds.

What is in space besides planets and stars?
What is gravity?
Is there gravity in space?
How does gravity work in space?

What are stars made of?

How do we know what's in space?