If you like what you've heard on Syzygy, let us know:Find us on Twitter: @syzygypod twitter.com/SyzygyPodor just visit us at home: syzygy.fmEmily at the University of York: www.york.ac.uk/physics/people/brunsden/Chris online: kipstewart.comTell your friends, leave us a review on iTunes  or your podcast directory of choice, or just drop us a note to say hi!Some of the things we talk about in this episode:Dark Matter in the news: https://arstechnica.com/science/2018/03/galaxy-seems-to-lack-dark-matter-stumping-astronomers/Nature Paper: https://www.nature.com/articles/nature25767PDF of the paper: http://www.astro.yale.edu/dokkum/papers/mass.pdfGalaxy Rotation Curve: https://en.wikipedia.org/wiki/Galaxy_rotation_curveMACHOs, WIMPS & other weirdness: https://theconversation.com/from-machos-to-wimps-meet-the-top-five-candidates-for-dark-matter-51516Dark matter and galaxy clusters: https://www.nasa.gov/feature/jpl/galaxy-clusters-reveal-new-dark-matter-insightsGalaxies in collision: https://phys.org/news/2016-10-galaxies-collide.htmlThe Bullet Cluster: https://apod.nasa.gov/apod/ap060824.htmlhttps://en.wikipedia.org/wiki/Bullet_Cluster

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