Question

What is the universe made of?


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Answer 1

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.The universe (Latin: universus) is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. ... At smaller scales, galaxies are distributed in clusters and superclusters which form immense filaments and voids in space, creating a vast foam-like structure

Answer 2

Composition. The universe is composed almost completely of dark energy, dark matter, and ordinary matter. Other contents are electromagnetic radiation (estimated to constitute from 0.005% to close to 0.01% of the total mass-energy of the universe) and antimatter.
Main contents: Ordinary (baryonic) matter (4.9%); Dark matter (26.8%); Dark energy ...
Diameter: Unknown. Diameter of the observable universe: 8.8×1026 m (28.5 Gpc or ...
Mass (ordinary matter): At least 1053 kg...