Original link: https://headsalon.org/archives/9054.html
【2021-04-23】
@whigzhou: One thing I have never understood is that the idea of Mars colonization has made countless people excited and screaming. Many of them seem to think about the details, but others are equally novel, exciting, and challenging. Wonderful, interesting, and technically far more feasible colonization possibilities, such as underwater cities, have not been tried, and even if they were proposed, there was not much response. Why is this? Sitting on the toilet just now, I thought of a possible answer: The key may be technical feasibility. For certain types of dreams, feasibility is a fatal flaw, because it will quickly reveal the truth of Ye Gong’s good dragon…
【2022-02-08】
@whigzhou: Haha, I finally saw that someone raised a similar question . The accuracy of the current Mars map is more than 40 times the accuracy of the ocean floor map
@tertio: The bottom is actually more difficult and not attractive at all
@whigzhou: Isn’t it more attractive? Could it be that young scientists don’t think so?
@whigzhou: It’s actually not that difficult, but the budget is insufficient. NOAA’s ocean floor survey project has an annual budget of $20M, and NASA’s Curiosity alone is $2.5B
@yiqin_fu: I read this expedition article before, and I feel that human beings know very little about the seabed, far less than space. I don’t know if the difficulty is really different or it is easier for humans to look up than to look at the bottom of the sea, so they are more interested in exploring space.
@whigzhou: The deep sea world is actually very wonderful, and every time you explore, you can discover new and unexpected things
@tertio: When the United States and the Soviet Union competed for hegemony, they also engaged in space competition, not seabed exploration competition, so the budget is fundamentally different, and it is impossible to require commercial companies to go against the trend. Besides, during this period, the cost of launching satellites has been reduced a lot, and valuable commercial projects such as Starlink have also been produced. This is not a picture.
@whigzhou: Near space and far space are two different things. Earth satellites have direct and urgent practical functions. Mars colonization is completely different
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