4.8 • 739 Ratings
🗓️ 11 July 2019
⏱️ 24 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 is because most aliens are huge. |
0:10.5 | To hear it and every episode early and ad-free, plus hours of bonus content, |
0:15.1 | check out go.nebola.tv slash Isaac Arthur and use my code, Isaac Arthur. |
0:20.4 | This episode is sponsored by Audible. |
0:24.0 | Space is awesome, and newer and better telescopes show us more of its wonders every day. |
0:30.6 | How much cooler would it be to see them with your own eyes? |
0:37.0 | This year will mark the 50th anniversary of the first time a human with your own eyes. |
0:37.5 | This year will mark the 50th anniversary of the first time a human ever set foot on a celestial |
0:43.6 | body besides the Earth. |
0:46.2 | It wasn't that much earlier that we even reached orbit, just a few hundred kilometers |
0:50.6 | above our planet, a thousandth of distance to the moon, and a millionth |
0:55.0 | the distance to other planets. |
0:57.0 | We've spent a lot of time talking about getting off Earth and colonizing new worlds, and |
1:02.6 | I thought it was time to talk about some of the other reasons to get out there, one of which |
1:07.2 | is to see the place, take some photos, and go home so you can rave about |
1:11.6 | it to your friends, family, and any captive audience. |
1:15.5 | The solar system has a lot of wonders to attract tourism, and we'll look at some of those today, |
1:21.3 | but our focus will also be on how the science, technology, and economics of space travel |
1:26.3 | are likely to alter space tourism from conventional |
1:29.3 | modern tourism where travel is quite quick and how that would shift with cost dropping. |
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