[Q&A] Auroras in the South, Restarting Planets' Dynamos, Old People on Mars
Universe Today Podcast
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The Dynamo of a Planet
We don't know how long the human being can be in low gravity and live. I do like that idea that when you get so old that being in one G is a problem, then you can go to Mars and spend the rest of your time in one third gravity. And it's way easier to get around, get in, get out of bed, get up, go upstairs,. All the kind of stuff suddenly becomes possible to you again. It would take 50,000 years for the Voyager spacecraft to reach Alpha Centauri - about 7 million years or so. Jonathan Brewer: Betelgeuse? People give you a hard time and say it should beBetelgeuse, but if
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