Question

What is universe made of?​

Answer 1

Answer:

Universe Elements

This means the most common elements in the universe are hydrogen and helium. These two elements comprise around 98% of all the elements in the universe, with hydrogen at 75% and helium at 23%. Hydrogen is the simplest element that exists because it only has one proton and one electron.

Answer 2

Explanation:

The Universe is thought to consist of three types of substance: normal matter, 'dark matter' and 'dark energy'. Normal matter consists of the atoms that make up stars, planets, human beings and every other visible object in the Universe.