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| ASTR0201-3 | Astronomy
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| Duration : | 30h Th, 10h Pr, 20h Mon. WS |
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| Credits/ECTS : |
| Master in Mathematical Sciences, in-depth approach, 1st year | | First semester | | 8 |
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| Master in Mathematical Sciences, didactic approach, 1st year | | First semester | | 8 |
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| Master in Mathematical Sciences, professional focus in management, 1st year | | First semester | | 8 |
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| Master in Mathematical Sciences, professional focus in computer science, 1st year | | First semester | | 8 |
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| Master in Mathematical Sciences, specialized approach, 1st year | | First semester | | 8 |
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| Master in Mathematical Sciences | | First semester | | 8 |
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| Holder(s) : | Marc‑Antoine Dupret |
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| Language : | French language |
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| Course contents : | The first part of this course is dedicated to classical astronomy. After a brief survey of the history of astronomy, the problems of the position of stars on the celestial sphere is discussed and different coordinate systems are introduced. Diurnal and annual movements are then analyzed with a special emphasis on the seasons. Different time definitions are introduced and a brief history of the calendars is presented.
The second part addresses the internal structure and the evolution of stars. After a discussion of the contraints given by the observations, such as the luminosity, the surface temperature, the mass and the chemical composition, the main equations describing the internal structure are presented. A special emphasis is given to the nuclear rections, inparticular those governing hydrogen burning and helium burning.
The third part consists in a description of the extragalactic universe. The Hubble law is presented and discussed together with simple cosmological models.
Finally, a last part of the course concerns internal geophysics (seismic probe, magnetism, plates tectonic) and external geophysics (atmosphere structure, greenhouse effect, ozone problem, ...). |
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| Course objective : | This course aims at giving the students basic notions of their astronomical environment in order to help them understand the Earth and stellar motions, the different time definitions, the structure of the stars and of the Universe. |
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| Prerequisites : | Basic knowledges in physics and mechanics are essential.
Elementary mathematical notions are needed, such as trigonometric relations. Spherical trigonometry is discussed in the cursus. All physical laws required in the course are briefly discussed. |
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| Workshops : | The exercices are organised as sessions of 2h30. |
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| Organization : | The course is given the first
semester (2 times 2h30 / week),
including the exercise sessions. |
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| Written notes : | A syllabus is available. All the ppt data sets are accessible online :
http://www.astro.ulg.ac.be/~dupret |
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| Assessment : | An oral (theory) and written (exercises) exam is organised during the january session. |
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| Contacts : | Marc-Antoine Dupret
email: MA.Dupret@ulg.ac.be
address: Institut d'Astrophysique et Géophysique, bât. B5c, +1
Tél: 04 366 97 32 |
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