1 rich Libsyn https://www.libsyn.com 90 600 In today’s episode I speak to Anant Tanna from the University of New South Wales School of Physics, about his research on looking for invisible galaxies. During our conversation, we cover: – What are invisible galaxies? – How do we find distant galaxies that we can’t see via their own light? – What are redshift distances? – How does looking at neutral hydrogen emissions help show distances of galaxies? – How are multiple galaxies detected along the same line of sight? Download MP3 of Ep 181 Brains Matter http://www.brainsmatter.com <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/5240577/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/item/5240577