Dark Energy and Dark Matter

Sasha Radtke

What is it?

Invisible matter and energy that makes up 95% of clusters. Clusters are made up of galaxies and everything in between. Dark matter and energy are the forces that push the universe apart.

Quick facts

  • It is made of one or more species of sub-atomic particles
  • Does not interact well with normal matter
  • Dark energy speeds the expansion of the universe
  • Dark matter helps hold galaxies together
  • 70% of the universe is dark energy
  • 25% is dark matter
  • First discovered in the 1930's
  • Link to NASA Science: http://science.nasa.gov/astrophysics/focus-areas/what-is-dark-energy/