It appears that our planet is home to the only intelligent life in the universe. But why? The answer might be that planet Earth is more unique than we’ve previously assumed. The rare-earth hypothesis posits that a range of factors made Earth exceptionally unusual and uniquely able to produce intelligent life. Host Matt O’Dowd breaks down the details in PBS Space Time.
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The speed of light is often cited as the fastest anything can travel in our universe. While this might be true, the speed of light is the effect and not the cause of this phenomenon. So what’s the cause? This week’s episode of PBS Space Time explains what the speed of light really is and why it’s the cosmic speed limit of our universe.
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It’s clear that our space program is obsessed with colonizing Mars. But with all the obstacles surrounding the colonization of the Red Planet, is the Green Planet–Venus–a better option? Granted the surface temperature on Venus is a sweltering 450 degrees celsius, with crazy pressure, but there might be a smart way around that, making it a better option for long-term colonization. Find out how in this episode of PBS SpaceTime.
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Is winter coming? Find out in this episode of PBS Space Time.
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Many people think the universe is infinite. But there is a good possibility that it is not, and some theorize there is an edge to space. Join host Matt O’Dowd as he gives us some answers in this edition of PBS Space Time.
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