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

By astronomycast - December 14, 2008 at 2:45 PM UTC | Planetary Science
600px-betelgeuse_star_hubble.jpg

[/caption] 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

Earth's orbit

, and the reason for different sizes of stars. If you've got a question for the Astronomy Cast team, please email it in to [email protected] and we'll try to tackle it for a future show. Please include your location and a way to pronounce your name.

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

  • Transcript and show notes.