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The Chemistry of the Inter-Stellar Medium (ISM)
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New Concepts in Chemical Synthesis and Reactivity
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Academic year 2023/2024
- Teacher
- Cecilia Ceccarelli
- Teaching period
- Second semester
- Type
- Basic
- Credits 24 CFU plan
- 4 CFU (16 h)
- Course disciplinary sector (SSD)
- CHIM/02 - physical chemistry
- Delivery
- Formal authority
- Language
- English
- Attendance
- Obligatory
- Type of examination
- Written
- Prerequisites
- Basic knowledge of Chemistry and Physics as provided by a Bachelor degree in Chemistry and/or Physics. The needed mathematical skill is kept to the level of the fundamental courses at the Bachelor degree in scientific disciplines
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Sommario del corso
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Course objectives
Not all baryonic matter of the Universe is contained in stars or planets. Actually, the vast majority is in a diffuse status, between planets, stars and galaxies, in the so called INTERSTELLAR MEDIUM, aka ISM.
The goal of the course is to give an overview of the ISM in the Milky Way and the other galaxies and then to focus on the molecular ISM, where new stars are born. The course will specifically address the unexpectedly rich chemistry associated with the formation of solar-like planetary systems. Finally, it will tackle the so-called "astrochemical heritage", namely the possible link between the organic chemistry during the early stages of the Solar System formation and the terrestrial life.
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Results of learning outcomes
The student will acquire the basic idea of the chemical evolution in the Universe. From star formation and synthesis of chemical elements up to the formation of planetary systems with all the impliocations for the synthesis of molecular building blocks so essential for the origin of like in our planet.
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Program
The course will consist of 8 lectures of 2 hours each as follows:
1- Introduction to ISM
2- Interstellar Dust: an omnipresent major actor in the ISM physics and chemistry.
3- Molecular Clouds: the cold and dense ISM regions where hydrogen is in the molecular form and stars form.
4- Photo-Dissociation Regions: the skins of the molecular clouds and star forming regions.
5- Pre-Stellar Cores: the first step toward the star and planetary formation, and the formation of interstellar ices.
6 & 7. Solar-type protostars: the major phases during which star and planets form and where organic chemistry reaches its highest.
8- Protostellar heritage of the Solar System: review of the traces left by the young forming Solar System.
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Course delivery
The course consists of standard lessons with room for discussion through open questions. Each PhD student has to sign a printed form to certify his/her presence to acquire the CFU.
Exercises will also be provided to reinforce the learning of the explained key concepts.
As an exception for the PhD students belonging to the University of Torino attending stages abroad we provide the webex link to the class:
https://unito.webex.com/meet/mariacecilia.ceccarelli
PhD students not belonging to the University of Torino can use the same link
Suggested readings and bibliography
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Notes
The course will be delivered in AULA DISEGNO, Dip. Chimica, Via P. Giuria 7 (first floor) from 11-13 am on 12 to 22 of February 2024 for a whole of 16 hours. The class will not be delivered on Monday 19 of February due to overlap with the PhD days event.
- Enroll
- Open
- Enrollment opening date
- 28/12/2023 at 09:00
- Enrollment closing date
- 31/07/2024 at 23:00
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