"Dark matter is not a theory"[0] Dark matter, do we need it? what is it? where is it? how much? Full rap mp3[1] [0] https://www.youtube.com/watch?v=PbmJkMhmrVI

"Dark matter is not a theory"[0] Dark matter, do we need it? what is it? where is it? how much? Full rap mp3[1] [0] https://www.youtube.com/watch?v=PbmJkMhmrVI https://www.youtube.com/watch?v=PbmJkMhmrVI [1] https://www.astronomy.ohio-state.edu/weinberg.21/Rap/darkmatterrap.mp3 https://www.astronomy.ohio-state.edu/weinberg.21/Rap/darkmat...