Nebula is a cloud of gas that

A cloud is a -

What is cloud?

The universe comprised of stars ,clouds of gas dust which form the ________.

Fill in the blanks : Huge clouds of gas and dust present in the empty spaces between stars in a galaxy are called ………….

How is a cloud formed ?

Answer the following : Name the following : Huge clouds of gas and dust present in the empty spaces between stars in a galaxy .