kardashev
Topic | Replies | Views | Activity | |
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Searching for Kardashev Type II and II Civilisations in Background Galaxies |
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0 | 241 | 24 April 2023 |
Topic | Replies | Views | Activity | |
---|---|---|---|---|
Searching for Kardashev Type II and II Civilisations in Background Galaxies |
![]() |
0 | 241 | 24 April 2023 |