Trivia question of the day — Jun 7, 2026
Sunday, June 7, 2026. Tap Show answer for the answer, explanation and source.
DIFFICULTY 55 · HARDSCIENCE
Reversals of Earth's magnetic field happen at irregular intervals averaging how long?
- About ten thousand years
- Several hundred thousand years
- Around one hundred million years
- A few dozen decades
Show answer
B. Several hundred thousand years
The flips are recorded as stripes in sea-floor rocks spreading from mid-ocean ridges, which also let geologists track continental drift.
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