Are Saturn’s Rings Evolving?
July 10, 2010
Can ring particles grow into moons? And is that how planets grew from rings around stars?
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Is Making Planets Child’s Play?
December 5, 2007
Are star children good at child's play? Like making mudballs, it should be easy to roll up dust into planets.
Accretion: The Missing Link in Planetary Evolution
February 3, 2004
Every school child has seen artwork of planets evolving from a disk of dust and gas around a star like our sun, but there’s a missing link in the story. How did the dust particles stick together?