> ## Content Index
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# How Magnetism Shapes The Universe
- URL: https://www.cascadepbs.org/show/pbs-space-time/episode/how-magnetism-shapes-the-universe-gezfxo/
- Published: 2024-04-02T23:12:18.000Z
- Updated: 2025-08-21T13:46:24.000Z
- Description: We explore the range and distance magnetism can take us.
- Author: Cascade PBS Staff
- Tags: PBS Space Time, Season 7, Episode 24, #ZZZ_Episode_001cc193-d93b-4f2c-b37d-9283d213a504, #episode, #ZZZ_Show_ae70f836-13b6-4c9d-b61f-99f7b8bc29eb, #v1.16

Compass needles align with magnetic field lines. And, on the precise spot of magnetic north, those field lines are vertical. So, we can go down to the molten Iron dynamo earth surrounding the earth's core and up...today we explore how far up and out we are able to go.