There are two good reasons for choosing this month to discuss the Sun. First, the last solar cycle has come to its end, and the new cycle has just started. Second, there is news of the latest solar probes. Ulysses is finishing its immensely successful career; Stereo is starting a career, which we can hope will be equally fruitful.
Solar Wind Solar Cycle Coronal Mass Ejection Giant Planet Stable Orbit
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