Astro Talk: Know Your Universe
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Here we go deep, beyond the Milky Way, to the edge of the universe, how it began, how it will end. Beyond the Milky Way, other galaxies are all we can observe, but there are many types that will be illustrated. In case you are wondering how far we can “easily” see with the 14 inch telescope, it is 2.5 billion light years, which is a quasar, the incredibly luminous core of a distant galaxy powered by an actively feeding supermassive black hole.