Assertion: magnetic field | /r/CapableOf | lose 5 percent of its strength
Facets:
value: with every passing decade [source
type: TEMPORAL
Source sentences:
text: Based on measurements that began in the mid-1800s, we're in the midst of one such weakening right now, and in 2014, data from European Space Agency satellites revealed that the magnetic field loses 5 percent of its strength with every passing decade [source: