Ce cours décrit les principaux concepts physiques utilisés en astrophysique. Il est proposé à l'EPFL aux étudiants de 2eme année de Bachelor en physique.
This course describes the main physical concepts used in astrophysics. It is proposed, at EPFL, to the 2nd year students from the Bachelor in Physics.
Comment étudier l'Univers dans lequel nous vivons en utilisant la seule information qu'il nous envoie: la lumière ? Ce cours donne un aperçu des phénomènes physiques qui se cachent derrière les objets astronomiques qui nous entourent, des planètes et des étoiles jusqu'aux filaments cosmiques, en passant par les galaxies comme notre Voie Lactée et les amas de galaxies. Le cours met l'accent sur le lien entre les prédictions théoriques et les observations et constitue la base indispensable des cours d'astrophysique avancés.
How can we study the Universe we live in, using the only available information it provides us with: light? This course provides an overview of the physical phenomena at play in the astronomical objects surrounding us, from planets and stars to the cosmic filaments, from galaxies such our own Milky Way to large galaxy clusters. The course emphasizes the links between the theoretical predictions and the observations and consists in the essential material required to follow more advanced astrophysics courses.
This new version of the course will have full video transcripts, as well as all assessment, in English.
What you'll learn:
- Vision globale de l'univers depuis les échelles planétaires au échelles cosmologiques (Global perception of the universe from planetary to cosmological scales)
- Les échelles de temps et d'espace qui caractérisent les objets celestes (Typical temporal and spatial scales in celestial bodies)
- Les processus physiques expliquant notre perception des astres (Physical processes at play in astronomical objects)
Explore the evolution of the universe, the future of astronomy & the role technology plays in new discoveries. What was the Big Bang? How do black holes work? Could there be life elsewhere in the Universe? In this subject we’ll address those topics, as well as gaining some insight into how great scientific discoveries were made, and what's involved in scientific research.
We have learned a lot recently about how the Universe evolved in 13.7 billion years since the Big Bang. More than 80% of matter in the Universe is mysterious Dark Matter, which made stars and galaxies to form. The newly discovered Higgs-boson became frozen into the Universe a trillionth of a second after the Big Bang and brought order to the Universe.
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