Viewing a single comment thread. View all comments

jojofroyo t1_iu4fyfq wrote on October 28, 2022 at 2:04 PM

Reply to comment by DrFlukey in Magma on Mars Likely - Until now, Mars has been generally considered a geologically dead planet. An international team of researchers led by ETH Zurich now reports that seismic signals indicate volcanism still plays an active role in shaping the Martian surface. by GeoGeoGeoGeo

Magnetic field (planetary; at least ours) come from spinning metal cores of planet. Not just magma.

roofgram t1_iu4kl8j wrote on October 28, 2022 at 2:37 PM

Yep it’s no different than an electromagnet.