EPISODE · Oct 22, 2025 · 23 MIN
The Core of the Problem: Why Our Magnetic Field is Weakening
from Bedtime Astronomy · host Synthetic Universe
The Earth's protective magnetic field is changing. Data from the ESA Swarm mission reveals that the South Atlantic Anomaly, a vast weak spot in our planetary shield, is expanding and rapidly weakening. Learn what's causing this shift—and why it matters for our satellites and technology.Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.
What this episode covers
The Earth's protective magnetic field is changing. Data from the ESA Swarm mission reveals that the South Atlantic Anomaly, a vast weak spot in our planetary shield, is expanding and rapidly weakening. Learn what's causing this shift—and why it matters for our satellites and technology.Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.
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The Core of the Problem: Why Our Magnetic Field is Weakening
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