Articles general
- Solar system - "The Solar System consists of the Sun and the astronomical objects bound to it by gravity, all of which formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago." - Wikipedia
- Frothy Magnetic-Bubble Sea Found at Solar System's Edge - "Frothy Magnetic-Bubble Sea Found at Solar System's Edge "Foam zone" could be letting in harmful cosmic rays, NASA says." - National Geographic - June 9, 2011
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