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Swarm Satellites Reveal Earth's Hidden Oceanic Secrets

1/31/2025

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Summary

Story summary

The European Space Agency's Swarm satellites have uncovered subtle electromagnetic signals from ocean tides, offering a glimpse into Earth's hidden liquid treasures, including magma. Since their launch in 2013, these satellites have been pivotal in measuring magnetic field changes, shedding light on ocean salinity, temperature, and volcanic activity. Researchers are committed to gathering data until the next solar minimum in 2030.

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Story summary

The European Space Agency's Swarm satellites have uncovered subtle electromagnetic signals from ocean tides, offering a glimpse into Earth's hidden liquid treasures, including magma. Since their launch in 2013, these satellites have been pivotal in measuring magnetic field changes, shedding light on ocean salinity, temperature, and volcanic activity. Researchers are committed to gathering data until the next solar minimum in 2030.