Slide 1The Sun Slide 2 How Old Is Our Sun? Stars like the Sun shine for nine to ten billion years The Sun is about 4.5 billion years old, judging by the age of moon rocks…
Slide 1 1 Reconciling Group and International Sunspot Numbers Leif Svalgaard, HEPL, Stanford University Edward W. Cliver, Space Vehicles Directorate, AFRL XII Hvar Astrophysical…
Prediction on Time-Scales of Years to Decades Discussion Group A Climax Cosmic-Ray Flux Sunspot number is well correlated with some measures of solar activity. The long record…
* Reconciling Group and International Sunspot Numbers Leif Svalgaard, HEPL, Stanford University Edward W. Cliver, Space Vehicles Directorate, AFRL XII Hvar Astrophysical…