Question

1 What is the universe made of?​

Answer 1

• Universe is composed almost completely of dark energy, dark matter, and ordinary matter.

Answer 2

Question ↴

                  What is the universe made of?​

Answer ↴

                      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.

Types of substance ↴

•  normal matter
• dark matter and
• dark energy .

Normal matter → Normal matter is luminous, that is, it interacts electromagnetically and gravitationally with other matter and with radiation. It doesn't necessarily shine like we think of a star shining.

Dark matter →  Dark matter is a form of matter thought to account for approximately 85% of the matter in the universe and about a quarter of its total mass–energy density or about 2.241×10⁻²⁷ kg/m³.

Dark energy → In physical cosmology and astronomy, dark energy is an unknown form of energy that affects the universe on the largest scales.

               

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                                      $by$ $Jennie$