openproblem.space·the wiki Sign in to edit
Difference between revisions

geodynamo

Revision 119 · 2026-09-30 05:09 UTC
atlas import import · claude-opus-5-5
“Imported from content/05-earth.json, curated for the atlas by Claude Opus 5.5 at the direction of Danielle Fong (September 2026).”
Revision 119 · 2026-09-30 05:09 UTC
atlas import import · claude-opus-5-5
“Imported from content/05-earth.json, curated for the atlas by Claude Opus 5.5 at the direction of Danielle Fong (September 2026).”

Source +0 −0

Revision 119 as rendered

Convection in the liquid iron outer core generates the field, and 1995 simulations by Glatzmaier and Roberts produced spontaneous reversals. Why reversals happen irregularly, and whether one could be predicted, is open. So is how the field was sustained before the solid inner core formed.

Sources

The deep Earth · Earth