PHYS 1401: Descriptive Astronomy

SUMMER II: CRN 30242

To download the outline for
Chapter 09, click here.

To view the clicker questions for
Chapter 09, click here.

BBC News: Sun's 'quiet period' explained: Non-scientific report on the most recent hypothesis for the lengthy solar minimum.
Geophysical Research Letters: Editors' Highlight: The actual report on the research.

The most detailed sunspot ever obtained in visible light was seen by new telescope at NJIT's Big Bear Solar Observatory.

Chapter 09: The Sun