Geomagnetic
(adjective)
Relating to the Earth's magnetic field, which is produced by the movement of molten iron in its core.
Origin:
The word geomagnetic is derived from the greek words 'geo,' meaning 'earth' and 'magnetikos' meaning 'of or relating to magnetism.'.
Examples:
- The geomagnetic field protects the Earth from harmful solar radiation.
- Geomagnetic storms can cause disruptions to communication and navigation systems.
- The geomagnetic field is measured by satellite-based instruments and ground-based observatories.
- Geomagnetic reversals, where the Earth's magnetic field flips, have occurred several times in the planet's history.
- The study of the geomagnetic field is important for understanding the Earth's interior and its interaction with the solar wind.