geomagnetism
/ˌdʒiːoʊˈmæɡnɪtɪzəm/
noun
- The natural magnetic field of the Earth, which affects compasses and protects the planet from solar radiation.
- Birds and sea turtles use geomagnetism to navigate during their long migrations.
- The aurora borealis is caused by solar particles interacting with Earth's geomagnetism.
- Scientists study geomagnetism to understand how the Earth's core generates its magnetic field.
- The scientific study of the Earth's magnetic field and its properties.
- She decided to specialize in geomagnetism after a field trip to an observatory.
- Advances in geomagnetism have improved our ability to predict space weather.
- Geomagnetism helps geologists locate mineral deposits beneath the Earth's surface.