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Dark matter tensions on the scale of galaxies
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Dark matter tensions on the scale of galaxies
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Academic year 2022/2023
- Teachers
- Prof. Antonaldo Diaferio (Lecturer)
Prof. Luisa Ostorero (Lecturer) - Degree course
- PhD in Physics
- Teaching period
- Second semester
- Type
- Distinctive, Related or integrative
- Credits/Recognition
- 4
- Course disciplinary sector (SSD)
- FIS/05 - astronomy and astrophysics
- Delivery
- Traditional
- Language
- Italian
- Attendance
- Obligatory
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Sommario del corso
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Program
In the first part of the course, we illustrate some kinematic properties of disk and dwarf galaxies, including the acceleration scale, the baryonic Tully-Fisher relation, and the galaxy disk stability, that hardly fit within the currently standard Cold Dark Matter model. Over the years, a number of ad hoc modifications to this model have been proposed to solve some of these tensions.
In the second part of the course, we show that, in epistemology, this approach is called degenerating problemshift. This condition might prelude to a substantial scientific revolution. In fact, most of these tensions are actually novel predictions in a different theory proposed in 1983, called Modified Newtonian Dynamics (MOND). The observed kinematic properties were indeed predicted by this model years in advance of their discovery, as expected in a sound progressive theory.
Suggested readings and bibliography
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David Merritt, A Philosophical Approach to MOND, Cambridge University Press
Robert H. Sanders, The Dark matter Problem: A Historical Perspective, Cambridge University Press
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Notes
The students who wish to attend the course are invited to register by using the register flag below at their earliest convenience.
The language of the course can be English on request.
NOTICE: For the academic year 2022-23, the course will be delivered both in the period Nov 22nd-Dec 1st 2022 and in spring 2023. Anybody who is interested in the topic is invited to attend. Please contact the teachers for the schedule.
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Class schedule
Lessons: dal 02/05/2023 to 12/05/2023
Notes: The lectures will be delivered during May 2-12, 2023, in Sala Fubini (Dept. of Physics, 5th floor).
The course schedule is reported below.FIRST WEEK
- Tuesday, May 02 --> 9am - 11am
- Wednesday, May 03 --> 2pm - 4pm
- Thursday, May 04 --> 2:30pm - 4:30pm
- Friday, May 05 --> 11am - 1pmSECOND WEEK
- Monday, May 08 --> 9am - 11am
- Tuesday, May 09 --> 9am - 11am
- Thursday, May 11 --> 9am - 11am
- Friday, May 12 --> 9am - 11am- Enroll
- Open
- Enrollment opening date
- 13/11/2022 at 00:00
- Enrollment closing date
- 30/04/2023 at 23:55
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