Assertion: cosmic ray | /r/HasAspect | link
Facets:
value: following their observations
type: OTHER
value: with solar activity
type: OTHER
Source sentences:
text: Fujimoto et al.  observed changes of CRI with solar activity; Hempelmann and Weber  used Fourier analysis of the time series and suspected that the cosmic rays have a link with solar activity following their observations that showed significant peaks of 10.7, 22.4, and 14.9 years.