Assertion: sunspot | /r/HasAspect | magnetic field
Facets:
Source sentences:
text: Overall, sunspots have a magnetic field that is about 1000 times stronger than the surrounding photosphere.
text: After careful measurements, Hale was able to determine that sunspots have magnetic fields as strong as 1,500 Gauss, which is about 2000 times Earth's magnetic field, and 100 times the Sun's common surface field!
text: Overall, sunspots have a magnetic field that is about 1000 times stronger than the surrounding photosphere.