This video Author: Linvo say the universe
The last issue mentioned that planets near Proxima, such as Proxima b planet in its habitable zone, may not be suitable for life. Unsurprisingly, there are still a small number of people who have this question: the universe is so big, who said that alien life must live in an environment like the earth?
The more direct way of saying this question is: Who said that alien life must be carbon-based life? Strictly speaking, if you just take it out and look at it, the sentence itself is correct. The universe is so big that all possibilities will exist. But when we talk about “searching for extraterrestrial life” or “searching for an environment suitable for life,” this kind of rhetorical question is not so appropriate.
Why? Because the focus of such topics is on the word “finding”.
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