Neil deGrasse Tyson talks about Pluto's discovery and revocation as a planet.
posted by syncron 1 decade 4 years 9 months 3 weeks ago • 1,448 views • 5:10Hidden Gems
Created: 1 decade 5 years 7 months 1 week ago
Updated: 1 decade 5 months 3 weeks ago
Views: 5,563
Updated: 1 decade 5 months 3 weeks ago
Views: 5,563
A place to find *quality videos that haven't received a lot of attention.