Is Dark Matter Real? - With Sabine Hossenfelder
Offered By: The Royal Institution via YouTube
Course Description
Overview
Explore the controversial topic of dark matter in this thought-provoking lecture by physicist Sabine Hossenfelder. Delve into the evidence supporting and challenging the existence of dark matter, and examine alternative explanations for observed astronomical phenomena. Learn about the concept of superfluid dark matter, which combines aspects of dark matter theory with modifications to general relativity. Discover how this innovative approach might resolve discrepancies in galactic rotation curves and other cosmic mysteries. Gain insights into the ongoing scientific debate surrounding dark matter and the potential implications for our understanding of the universe.
Syllabus
Intro
trophysicists introduce new "stuff" to fix the problem
What is Dark Matter?
Galaxy Clusters
Galactic Rotation Curves
Gravitational Lensing
The Cosmic Microwave Background
Structure Formation
How Dark Matter solves the problem
Can Dark Matter be "normal" matter?
Alternative Explanation: Modified Gravity
How does Modified Newtonian Dynamics work?
Dark Matter, Pimped
What is a Superfluid?
SFDM fits the Milky Way Rotation Curve nicely
Ways to test superfluid dark matter
Summary
Taught by
The Royal Institution
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