Question

What is the universe made of?​

Answer 1

Answer:

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.

Answer 2

Answer:

${\tt{\ \: {\underline{\underline{\huge {Universe:}}}}}}$

• ☘The universe is filled with billions of galaxies and trillions of stars, along with nearly uncountable numbers of planets, moons, asteroids, comets and clouds of dust and gas – all swirling in the vastness of space.

• ☘But if we zoom in, what are the building blocks of these celestial bodies, and where did they come from?
• ☘Hydrogen is the most common element found in the universe, followed by helium; together, they make up nearly all ordinary matter. But this accounts for only a tiny slice of the universe — about 5%. All the rest is made of stuff that can't be seen and can only be detected indirectly. [From Big Bang to Present: Snapshots of Our Universe Through Time]