The Origins of the Universe

Most of the universe are these lighter elements hydrogen, helium, etc which we think of as gases. Hydrogen dominates the whole universe and so of course it also dominates the solar system. The other fun stuff that make us up carbon and oxygen and nitrogen is a tiny fraction of the universe too. So can you form a moon out of hydrogen or any gas? Yeah I think to answer that question we have to think about why we have planets made out of gas and some planets madeout of rocks right likeWhy do we have rocky planets and why do we have gas planets? And as you said everything forms out of the original blob that created the solar system a blob of gas and dust then collapsed