Assertion: magnetic field | /r/HasAspect | declination
Facets:
value: currently
type: TEMPORAL
value: above zero
type: OTHER
value: at the greenwich observatory
type: LOCATION
value: about +0.011°
type: OTHER
Source sentences:
text: At the time of writing this article I used an online calculator to discover that, at the Greenwich Observatory, the Earth's magnetic field currently has a declination just above zero, about +0.011°.