動物園仮説【どうぶつえんかせつ】『宇宙人がいるなら、なぜ地球にやって来ないのか?』という疑問(フェルミのパラドックス)の解決策として考えられた仮説のひとつ。地球はまだ未開状態なので、できるだけ介入せずに、いわば自然保護区か動物園のように取り扱っているとする。保護区仮説。
Xユーザーの単語はかせBotさん

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動物園仮説【どうぶつえんかせつ】『宇宙人がいるなら、なぜ地球にやって来ないのか?』という疑問(フェルミのパラドックス)の解決策として考えられた仮説のひとつ。地球はまだ未開状態なので、できるだけ介入せずに、いわば自然保護区か動物園のように取り扱っているとする。保護区仮説。
Xユーザーの単語はかせBotさん
.:: 05.10.2019 ::. A mini getaway with #Team468 to JB for children's day! Letting our inner child out to play! #canberra468 #46890 #46890s https://www.instagram.com/p/B3O9DebAy4z/?igshid=jszte1xhvqo9
.:: 06.09.2019 ::. Spend the night with colleagues of NW5 to celebrate our passion and work... The love and appreciation from the parents and the management! Happy Teachers' Day! #canberra468 #46890 #46890s #nw5wecangrove https://www.instagram.com/p/B2CUn9EA1OS/?igshid=13rdm381vlugp
.:: 04.05.2019 :: Another great day with Team468 and NW5 colleagues at K1 Sport Day 2019 #nw5wecangrove #canberra468 #46890 #46890s https://www.instagram.com/p/BxCiBLeDIXd/?igshid=1f9k10n194vql
.:: 19.04.2019 ::. Throwback to yesterday bonding session with Team 468! A pity it's not the full team. Off to sembawang park for some morning exercise and reflection session. Then over to Sun Plaza for lunch... #canberra468 #46890 #46890s https://www.instagram.com/p/BwavOsAj9u7/?utm_source=ig_tumblr_share&igshid=bntfdkkrg5pe
.:: 15.09.2018 ::. Rocking the 70’s style with NW5 colleagues for K2 Graduation Concert... Another event down... Last term with these kids... 9 more weeks to go! #70sfashion #nw5wecangrove #canberra468 #46890 https://www.instagram.com/p/BnvfBcXnSPL/?utm_source=ig_tumblr_share&igshid=hq25dxkuos24
.:: 16.03.2018 ::. Girls’ day out with @kurokoneko.c Part 1: Adventure Cove! First time there and had a time of my life. There should be more rides though! #46890 (at Adventure Cove Waterpark, Resorts World Sentosa)