Dark Matter

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Across
  1. 3. Dark matter is ____ times more prevelent than ordinary matter
  2. 4. in 1933 ,Astronomer ____ Zwicky measured the speed of galaxies and noted there might be some missing matter
  3. 5. We are only able to see dark energys
  4. 9. Dark matter is not made up of
  5. 10. Dark energy is a property of space
Down
  1. 1. It turns out roughly 68% of the ______ is dark energy
  2. 2. Dark matter is a name given to particles that dont absord or emit
  3. 6. New space is created
  4. 7. Dark matter does not enteract with the_________ force
  5. 8. Dark matter is an invisible material that lurks throught the