Assertion: sunspot | /r/HasProperty | area
Facets:
Source sentences:
text: Sunspots are areas where the magnetic field is about 2,500 times stronger than Earth's, much higher than anywhere else on the Sun.
text: Sunspots are areas that appear dark on the surface of the Sun.
text: Sunspots are areas that appear dark on the surface of the Sun.
text: These sunspots are areas where there is intense magnetic activity.