Podcast: Orbit of the Planets, Green Stars, and Oort Cloud Contamination

By astronomycast - October 30, 2008 at 12:13 PM UTC | Planetary Science
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[/caption] We're back to a themeless questions show. We're right across the Universe this time. Why are the planets lined up in a nice flat plane? Why are there no

greenstars

? And is the Oort Cloud contaminating our understanding of the cosmic microwave background radiation? 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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Orbit of the Planets, Green Stars, and Oort Cloud Contamination

  • Transcript and show notes.