4.8 • 739 Ratings
🗓️ 10 October 2019
⏱️ 31 minutes
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0:00.0 | Hello, SFIA audio listeners. |
0:02.5 | In this month's Nebula exclusive, big alien theory, |
0:05.2 | we're asking the reason alien civilizations might be rare |
0:08.0 | is because most aliens are huge. |
0:10.5 | To hear it and every episode early and ad-free, |
0:13.3 | plus hours of bonus content, |
0:15.1 | check out go.nebola.tv slash Isaac Arthur |
0:17.6 | and use my code, Isaac Arthur. |
0:20.1 | This episode is sponsored by Brilliant. |
0:23.5 | Everyone always talks about colonizing Mars and Tonya Green, but Venus might turn out to be a far |
0:30.6 | better candidate for terraforming, if we can just cool it down first. |
0:36.9 | Last month we talked about terraforming Mars and how to warm it up and thicken its atmosphere. just cool it down first. |
0:37.5 | Last month we talked about terraforming Mars and how to warm it up and thicken its atmosphere |
0:42.0 | to bring springtime to Mars. |
0:44.3 | Venus, our other close neighbor, is something of the reverse case. |
0:48.9 | Mars and Venus, our first two big targets for colonization, have almost the exact opposite strengths and weaknesses. |
0:56.6 | Often Mars is seen as the most logical first target, which can seem strange on reflection. |
1:02.4 | It's farther from us than Venus, I'll launch windows to it just once every 26 months, |
1:07.8 | whereas Venus is every 20 months, and it's a closer and more direct shot. |
1:13.2 | Venus is also much bigger than Mars, with the surface gravity nearly that of Earth. |
1:18.7 | Venus has plenty of light and atmosphere to work with, indeed we thought it was probably |
1:22.7 | a paradise world well into the 20th century. |
... |
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