kalkulat@lemmy.world to science@lemmy.world · 10 个月前NASA's solar sail successfully spreads its wings in spacewww.space.comexternal-linkmessage-square61fedilinkarrow-up11arrow-down10cross-posted to: technology@lemmy.world
arrow-up11arrow-down1external-linkNASA's solar sail successfully spreads its wings in spacewww.space.comkalkulat@lemmy.world to science@lemmy.world · 10 个月前message-square61fedilinkcross-posted to: technology@lemmy.world
only as long as they exist