1 rich Libsyn https://www.libsyn.com 90 600 This episode we are joined by Darren McKee, host of The Reality Check. We previously discussed that the universe is expanding but Darren asks, “What exactly is expanding and what is it expanding into?” If you have feedback or a topic suggestion, email us. 5 Minutes With An Astronomer http://astronomyin5.libsyn.com/website <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/9852452/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/9852452