#lnterstellarUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesSteemitCryptoAcademyNewcomers' CommunitySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem POD TeamSTEEM CN/中文Tron Fan ClubAVLE 일상Beauty of CreativitySteem AllianceWORLD OF XPILAR#lnterstellarTrendingHotNewPayoutsMutedsslu999 (26)in #lnterstellar • last yearWhat are the challenges that humanity is facing now?1.Living environment: Extreme conditions in interstellar space may pose a threat to human survival, such as cosmic…