#spaceflightUnmoderated tagAll postsTrending CommunitiesHIVE CN 中文社区Scrobble.lifeSplinterlandsWorldmappinActifitSnapsPhotography LoversBlack And WhiteHive FoodGEMSHive LearnersLiketuExplore Communities...#spaceflightTrendingHotNewPayoutsMutedkiwithinker (65)in StemSocial • 2 days agoToday in Space History - Two Quiet Firsts on 29 SeptemberSome dates stack. 29 September keeps returning with the same kind of first: not a parade, just a craft that opened a door and left a habit behind. Today in Space History - A…worlddigestjrnl (35)in World Digest Journal • 2 days agoAstronauts Show Measurable Bone Changes After Just 3-5 Days in Space, Study FindsAstronauts exercise in microgravity to help counter changes to muscles and bones during spaceflight. Space missions have an impact on human physiology. Image credit: [ESA] Space missions have an impact
