![Exoplanet and dwarf star](https://nsf-gov-resources.nsf.gov/styles/featured_content_mobile/s3/2023-03/Radio_waves_exoplanet_mag_field_Hero.jpg?VersionId=.z6EwCtSWYn4FMuANUyWtR4wnvNeTTOM&itok=IQWQbxWT)
Credit: National Science Foundation/Alice Kitterman
Earth’s magnetic field does more than keep everyone’s compass needles pointed in the same direction. It also helps preserve Earth’s sliver of life-sustaining atmosphere by deflecting high energy particles and plasma regularly blasted out of the sun...
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