The sun, solar analogs and the climate

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The 34th Saas-Fee advanced course of the Swiss Society of Astronomy and Astrophysics (SSAA) took place from March 15 to 20, 2004, in Davos, focusing on The Sun, Solar Analogs, and the Climate. While Davos is widely recognized for hosting events on globalization, it is also home to the Physikalisch-Meteorologisches Observatorium Davos and World Radiation Center, making it an apt location for this course on a global subject. The SSAA chose to support this timely topic due to growing concerns about global warming and its potential link to solar variations. Understanding solar variability and its interaction with the atmosphere is crucial for distinguishing between solar and anthropogenic contributions to rising temperatures. The course examined the observed variability of the Sun, its origins, and its impact on Earth's climate. By comparing solar variability with that of solar analog stars, participants gained insights into the solar activity cycle and magnetic activity, aiding in estimating potential long-term solar variations. Despite the fantastic weather and snow conditions, participants were engaged in the lectures, reflecting the high quality of presentations by speakers Joanna Haigh, Mike Lockwood, and David Soderblom. Their contributions were invaluable, and we hope readers enjoy this compilation as much as we appreciated their insights.