Käännöksiä ei löytynyt valitulle kohdekielelle.
Yritit hakea fraasilla, joka sisältää useita sanoja. Parempien hakutulosten saamiseksi kokeile hakea sanoja erikseen: magnetic, reversal
| Monikko | magnetic reversals |
Any of several reversals in the polarity of the Earth's magnetic field (such that a compass points South) that have happened over geologic time.
Geomagnetic polarity during the last 5 million years (Pliocene and Quaternary, late Cenozoic Era). Dark areas denote periods where the polarity matches today's normal polarity; light areas denote periods where that polarity is reversed.