Neil deGrasse Tyson talks about Pluto's discovery and revocation as a planet.
posted by syncron 1 decade 4 years 2 months 3 weeks ago • 1,448 views • 5:10Hidden Gems
Created: 1 decade 5 years ago
Updated: 9 years 10 months 3 weeks ago
Views: 5,529
Updated: 9 years 10 months 3 weeks ago
Views: 5,529
A place to find *quality videos that haven't received a lot of attention.