I'm a member of a gym order parlodel Jupiter's moon Europa, one of the few planetary bodies in our solar system that is mostly likely to have the conditions to support some form of life, may have a subsurface ocean with deep currents and circulation patterns that can conduct heat and energy transfers capable of sustaining biological life. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])