National Geographic Documentaries

Weirdest Planets (2010x42)

Ημερομηνία προβολής: Δεκ 17, 2010

With temperatures ranging from 1000 to 2000°C, gravity 15 times stronger than Earth's, and a year that lasts just 5.6 of our days, HAT-P-2b is not a planet you'd want to visit for vacation.