3 ms·
When this happens, does the magnetism "rotate" around the Earth, or does it fade out and fade back in reversed?
by darkerside 8y ago
When this happens, does the magnetism "rotate" around the Earth, or does it fade out and fade back in reversed?
- idbehold 8y agoCloser to fading out and back in.
- michaelg7x 8y agoDoes this mean anything for the protection the planet receives from cosmic rays or solar wind?
- AndrewDucker 8y agoDefinitely https://m.phys.org/news/2012-11-cosmic-rays-reveal-event-earth.html https://m.phys.org/news/2012-11-cosmic-rays-reveal-event-ear...
- deleted 8y ago[deleted]
- techas 8y agoIndeed. Some people believe these “unshielded” periods might had some influence on the evolution of the species. Without those, the rate of change is just not enough to get to humans...
- DoctorOetker 8y agoI'm not contesting but merely interested in references.
- feniv 8y agoHere's a gif from a 1995 supercomputer simulation of the reversal process - https://imgur.com/a/jgpZZBF https://imgur.com/a/jgpZZBF "The tubes represent magnetic field lines, blue when the field points towards the center and yellow when away." Original source: https://www.psc.edu/science/glatzmaier.html https://www.psc.edu/science/glatzmaier.html It took them a year of computing on a CRAY C90 and 2000 hours of processing.