Question: How do magnetism work; what gives an object a magnetic field?

Brian Weaver answered on 11 Mar 2019: last edited 11 Mar 2019 7:52 pm

Great question! This article explains magnetism better than I ever could:
http://www.edinformatics.com/math_science/nature-of-magnets.html
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Did you know the earth’s magnetic field protects us from the sun’s radiation? Lots of researchers study the interaction between the earth’s magnetic field and energy bursts from our sun.
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Here is a visualization of earth’s magnetic field affected by solar radiation:
https://www.google.com/url?sa=i&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwiD0q-I7vrgAhVBnRoKHZs1AVQQjRx6BAgBEAU&url=https%3A%2F%2Fgifer.com%2Fen%2FAG5K&psig=AOvVaw0eNx-YniTnmOlelhQ-jzjv&ust=1552420203781216
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Source: https://mms.gsfc.nasa.gov/index.html