Our Sun is far from a smooth, white ball in the sky. Twisting and looping magnetic field lines rise from its surface like hair, causing dark, transient patches on the surface called sunspots wherever ...
Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects of viscosity in their simulation, they revealed a self-sustaining dynamo ...
At a Thursday lecture event, Benjamin Weiss, a professor of Earth and planetary sciences at the Massachusetts Institute of Technology, spoke about his recent research on the lunar dynamo, which ...
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