00723nam a22001817a 4500 20231123111107.0 231123b |||||||| |||| 00| 0 eng d 2737-5560 Grade School Learning Resource Center BBC Earth Ar31 2022 Are we alone in the universe? / Marcus Chown. Singapore: BBC Studios UK Publishing, 2022. pp. 44 - 53. BBC Earth: Your Productive Brain. No. 13. Vol. 14, 43927 The search for alien life is ramping up. But what if, instead of searching for signs of biology, we looked for something more familiar: an extraterrestrial civilisation. Solar system. ddc CR 92642 92642 0 0 ddc 0 0 NFIC GSLRC GSLRC PER 2023-11-23 0 BBC Earth Ar31 2022 GSPERBE009 2023-11-23 00:00:00 2023-11-23 CR