Episode 554: Q&A 97: By Request, Here's Our Dog. And Then Some Actual Questions...
In this week's questions show, I introduce Ona, by request. I explain why I don't think going to space is going to fix the big challenges that humanity faces, and how do astronomers figure out how big a planet is?
\n\nTalking about existential threats with Phil Torres
\nhttps://www.youtube.com/watch?v=XKYTrKapyrs
00:00 Meet Ona
\n02:00 Will going to space fix our evil humanness?
\n04:40 Sparks under the space shuttle main engine
\n05:27 How do we know how big a planet is?
\n07:23 Can we push the Earth outward?
\n10:03 Why make so many telescopes?
\n11:50 Will we see less of the Universe in the future?
\n13:16 Will we have space colonies in my lifetime?
\n15:50 Is life beyond the scope of our ability to observe?
\n17:56 What about planets with long orbital periods?
\n19:57 What would happen if magnetars collided?
\n21:44 What will the CMB look like in billions of years?
Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week, and answer them here.
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\nhttps://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/
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Team: Fraser Cain - @fcain / frasercain@gmail.com
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