directives -> language-version <1.1>, namespace ; space exploration <0cNgwbnc> -> Scott Manley [https://www.youtube.com/user/szyzyg] , Verge Science [https://www.youtube.com/channel/UCtxJFU9DgUhfr2J2bveCHkQ] <27PQfQPn>, SpaceX [https://www.youtube.com/user/spacexchannel] , Rocket Lab [https://www.youtube.com/user/RocketLabNZ] , Fraser Cain [https://www.youtube.com/user/universetoday] , Beyond Space [https://www.youtube.com/channel/UCjbsaEtWYgFW-tZFiP-Lv3w] , spaceXcentric [https://www.youtube.com/channel/UCh4B5ZDaLCrjaWBXPRaRT6g] <97FXiTYN>, Overlook Horizon [https://www.youtube.com/channel/UCdxb3hRFmbaMCo8OZc6OCuQ] , Anton Petrov [https://www.youtube.com/user/whatdamath] , Martian Colonist [https://www.youtube.com/user/martiancolonist] <6Ky3NagB>, Space Videos [https://www.youtube.com/user/ouramazingspace] , Isaac Arthur [https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g] , 2 THE FUTURE [https://www.youtube.com/channel/UCUF-OfqZ3hFCxnnKJ-lG1yg] , NASASpaceflight [https://www.youtube.com/channel/UCSUu1lih2RifWkKtDOJdsBA] , Launch Pad Astronomy [https://www.youtube.com/user/christianready] , NASA [https://www.youtube.com/user/NASAtelevision] , SPACE (Official) [https://www.youtube.com/user/NewerDocumentaries] <3dhJhlOf>, The Launch Pad [https://www.youtube.com/channel/UCGCndz0n0NHmLHfd64FRjIA] , Everyday Astronaut [https://www.youtube.com/channel/UC6uKrU_WqJ1R2HMTY3LIx5Q] <1gEhGmW4>, What about it!? [https://www.youtube.com/user/ZSSolomon] ;