The following pages examine the most important and dynamic features of the Sun-Earth Connection.
For more on the history of human observation of sunspots, see the Galileo Debate.
To learn more about the solar cycle visit What is Solar Max? See video of a Coronal Mass Ejection taken from the SOHO spacecraft.
Click for the definitions of the following words that are used on this page: (Definitions appear in a pop-up window.)
auroras coronal mass ejection flare geomagnetic field geomagnetic storm magnetosphere radiation belts solar cycle solar maximum solar minimum solar wind sunspot
View the full, printable version of the glossary.