Podcaster: Steve Nerlich
Title: Cheap Astronomy – Dear CA #74: The Big Questions
Organization: Cheap Astronomy
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.
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365 Days of Astronomy
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