Neil deGrasse Tyson: Dark Matter, Dark Gravity, Ghost Particles, & the Essence of All Obje
2017-06-23 4
Theres something fundamental we all need to understand about dark matter—it may not actually be matter at all. Neil deGrasse Tyson has a bone to pick with . Neil deGrasse Tyson: Legendary astronomer. Popularizer of science. Agnostic. Badass.