VII - More on Coments and the Nature of Light

1.- "The Comet of the Century": Comet ISON

2.- Solar Sunspots:

Butterfly Diagram

Maunder Minimum

Named after the solar astronomers Annie and Walter Maunder (1851–1928) who studied how sunspot latitudes changed with time. The period the husband and wife team examined included the second half of the 17th century. The Maunder Minimum coincided with the middle part of the Little Ice Age, during which Europe and North America were subjected to very cold winters.

Solar Activity Predictions for 2014

3.- The Nature of Light

Solar Spectrum