Cosmic Mirages: Seeing Dark Matter with Gravitational Lenses
Most of the matter in the Universe is dark matter: an elusive particle that is completely invisible. But we can “see” this matter by studying how it distorts the light from galaxies in the distant Universe, a phenomenon called gravitational lensing. I will give a whirlwind tour of gravitational lensing’s “greatest hits” showing how it can be used as a tool to understand some of the most mysterious things in the Universe: from black holes to the “cosmic web” of dark matter that links galaxies together.
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Dark matter filaments (shown in red) bridge the space between galaxies (shown in white) on this false colour map
https://uwaterloo.ca/stories/first-image-dark-matter-web-connects-galaxies
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Presenter: Prof. Mike Hudson, University of Waterloo, Canada
Date: Friday 16 March 2018
Time: 6.30pm - 7.30pm
Venue: Swinburne University, AMDC building, AMDC301 (enter from Burwood Road)
Map: http://www.swinburne.edu.au/media/swinburneeduau/about-swinburne/docs/pdfs/hawthorn-map.pdf
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