#magnetic field

South Atlantic Anomaly: Why Satellites Malfunction Over the South Atlantic

The South Atlantic Anomaly causes satellite memory errors, single-event upsets, and accelerated solar array degradation on every LEO orbit. Here's what it is, why it's expanding, and how operators cope.

How Earth's Magnetic Field Protects Life — and What Happens When It Weakens

Earth's magnetic field protects life from solar wind, enables animal navigation across thousands of kilometres, and its current weakening already affects satellites. Here's why it matters beyond atmospheric shielding.