Orfeo BELSPO Instutional Open Access Repository for Federal Organisation
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Liège : l'avant-corps de la collégiale Saint-Jean l'Évangéliste : premiers résultats de l'étude du bâti
Origin and evolution of soil materials of the Paleo-Chadian linear-dune landscape in the Far North Region of Cameroon
ENFORCE: Expertiserapport ref. exp_688 (EV\d9114\4\2025 - 390363210) en ref. exp_689 (EV\d9114\4\2025 - 390363016), 23/05/2025
République Démocratique du Congo, Carte administrative , Province du Haut-Lomami, Territoire de Malemba Nkulu
Effects of the sun on the space environment of the earth
The Sun provides light and heat, making life on Earth possible. The Sun also determines the spatial environment of the planets, comets and other bodies of the solar system. Many phenomena continuously modify our environment and create visible effects like aurora, shooting stars or sunspots. Other events are less visible, but determining for space missions, our atmosphere and climate. All the interactions between the Sun and the Earth are crucial for our life and the biosphere. This university course aims to summarize the main physical mechanisms active in the space environment of the Earth. It has been written for the master students in physics or in climatology at UCLouvain for the course Physics of upper atmosphere and space, and may also interests the wide public. That is why some parts are more descriptive, to be accessible to any reader who would like to know more about space physics, stars, solar wind, comets, cosmic rays, polar aurora, climate changes, space weather, atmospheric chemistry, etc. Some parts are more specialized and provide the physics equations allowing us to better understand the observations