Assertion: magnetic field | /r/CapableOf | shift at some time
Facets:
value: in earth's history
type: TEMPORAL
value: quickly
type: MANNER
Source sentences:
text: Studies of lava flows on Steens Mountain, Oregon, indicate that the magnetic field could have shifted at a rate of up to 6 degrees per day at some time in Earth's history, which significantly challenges the popular understanding of how the Earth's magnetic field works.
text: Subjecting someone to a magnetic field that changes quickly in time is the same thing as bombarding them with radiation.
text: Studies of lava flows on Steens Mountain, Oregon, indicate that the magnetic field could have shifted at a rate of up to 6 degrees per day at some time in Earth's history, which significantly challenges the popular understanding of how the Earth's magnetic field works.