...Beauty, cleaning, DIY tips and more - free to join!
   Login   Contact us   Site map   Puzzle Club   Ask a question    Newsletter

Tell Me How Forums : Science

Jump to Last Post

Planetary (and stellar) discs

By: Kcranley [27-August-10 3:41PM]
2 posts
No photo yet

Can someone explain why material collects in discs around planets and stars? I can understand that matter can get into an orbit around a massive celestial object, but why are these orbits not at random angles to one another? What is the physics of this phenomenon?

Previous: Chemistry
Next: Tidal Bulges