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Swarm reveals magnetic waves across Earth’s outer core
- Video Online only
- Title Swarm reveals magnetic waves across Earth’s outer core
- Released: 23/05/2022
- Length 00:02:03
- Language English
- Footage Type Documentary
- Copyright Planetary Visions (credit: ESA/Planetary Visions)
- Description
Using information from ESA’s Swarm satellite mission, scientists have discovered a completely new type of magnetic wave that sweeps across the outermost part of Earth’s outer core every seven years. This fascinating finding opens a new window into a world we can never see. This mysterious wave oscillates every seven years and propagates westward at up to 1500 kilometres a year.
Read full story: Swarm reveals magnetic waves deep down