Hydrogen and helium are the two most abundant elements in the universe. While they don't directly "make" anything on their own, they are the fundamental building blocks for:

* Stars: Stars are primarily composed of hydrogen and helium. Nuclear fusion within stars converts hydrogen into helium, releasing tremendous amounts of energy and creating the light and heat we see.

* Planets: While the exact composition of planets varies, hydrogen and helium play significant roles:

* Gas giants: Planets like Jupiter and Saturn are composed mainly of hydrogen and helium.

* Rocky planets: While rocky planets like Earth have a much lower proportion of hydrogen and helium, these elements can be found in their atmospheres, in trace amounts.

So, while hydrogen and helium don't directly "make" something in a chemical reaction sense, they are the fundamental building blocks for the vast majority of matter in the universe, including stars and planets.