Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 14
Science & Medicine 37

Astronomy Cast brings you a weekly fact-based journey through the cosmos.


Questions Show: Distance in Space, Changing Earth's Orbit, and Different Sized Stars

December 11th, 2008

Episode 132 of 460 episodes

This week we find out the distance between Betelgeuse and Bellatrex, how astronomers measure distance between objects, the possibility that an object could mess up the orbit of Earth, and the reason for different sizes of stars.