What’s the universe made of?

Question: What's the universe made of?
- Keywords:
  physics,
  properties,
  space,
  universe
Asked by to James, Jennifer, Kim, Liam, Ricardo on 20 Jun 2014. This question was also asked by .
- Jennifer Stephens answered on 20 Jun 2014:
  
  Hi Ibelouche
  I believe dark matter makes up more than 75% of the universe but I have no idea what this dark matter is. I’m just amazed to find out there are over 70,000 million, million, million stars in the Universe.

Question: What's the universe made of?