Ep 14. Lava Worlds
- TV-PG
- September 25, 2015
- 31 min
Explore the theoretical limit of the smallest possible orbit for a planet, taking into consideration tidal stresses and other destructive processes. Then focus on Professor Winn�۪s search for such objects, which found probable lava worlds-planets heated to rock-melting temperatures by their extreme closeness to their host stars.