Getting to the Core of Molten Planetary Cores

Aside from being hot, what does the liquid, metallic core of a newly formed planet have in common with a bowl of chicken noodle soup?It turns out that in both cases, the liquid can mix and mingle by convection--the process in which cooler, denser regions sink to the bottom and hotter, less dense regions travel upward.In new work published last week in Physical Review Letters, scientists Elliot Kaplan, Nathanaël Schaffer, Jérémie Vidal, and Philippe Cardin from Grenoble Alps University in Fran...