Podcaster: Steve Nerlich
Title: Cheap Astronomy – Dear CA #74: The Big Questions
Organization: Cheap Astronomy
Links: http://cheapastro.com
Description:
Cheap Astronomy answers the Big Questions.
Dear Cheap Astronomy – How long did the Universe take to complete the periodic table?
So, this is really a question about nucleosynthesis, which began with the Big Bang and continues today in stars – and on a small scale in human-built laboratories.
Dear Cheap Astronomy – Is Interstellar travel really out of the question?
Our current understanding of physics suggests that traveling to the nearest star within a human life time is pretty much out of the question. Regardless of what type of engine you use – even approaching, let alone passing the speed of light puts you at risk of destroying your spaceship through collisions with just specks of cosmic dust.
Today’s sponsor: Big thanks to our Patreon supporters this month: Rob Leeson, David Bowes, Brett Duane, Benett Bolek, Mary Ann, Frank Frankovic, Michael Freedman, Kim Hay, Steven Emert, Frank Tippin, Rani Bush, Jako Danar, Joseph J. Biernat, Nik Whitehead, Michael W, Cherry Wood, Steve Nerlich, Steven Kluth, James K Wood, Katrina Ince, Phyllis Foster, Don Swartwout, Barbara Geier, Steven Jansen
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365 Days of Astronomy
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