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The universe is big \u2013 really big.* Galaxies, for instance, are often large enough to hold a trillion stars. But how did these heavenly heavyweights come to be? Hear how still-mysterious dark matter is implicated in the birth of galaxies.\nAlso, gamma ray bursts - explosions more energetic than anything since the Big Bang - take place somewhere in the visible universe every day. What are they, and could they obliterate life on Earth?\nAnd, the biggest cosmic mystery de jour: dark energy. Why new, super-size telescopes may finally reveal just what it is.\nWe\u2019re living large on \u201cBig, Really Big.\u201d\n*appreciative nod to Douglas Adams\nGuests:\n\n\nGeorge Djorgovski - Astronomer, California Institute of Technology\n\n\nSandra Faber - Astronomer and Chair of Astronomy and Astrophysics, University of California at Santa Cruz; leads the CANDELS survey that uses the Hubble Space Telescope to image more than\n\n250,000 distant galaxies\n\n\nDaniel Perley - Astronomer, University of California at Berkeley\n\n\nEd Stone - Former director of the Jet Propulsion Laboratory, and physicist at the California Institute of Technology\n\n\nRichard Panek - Author of The 4 Percent Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality\n\n\nDescripci\xf3n en espa\xf1ol\nLearn more about your ad choices. Visit megaphone.fm/adchoices