Is earth the only planet with life? #Aliens #Universe #Space #Facts #Shorts

What exactly are exoplanets? An exoplanet is any planet beyond our solar system. Most orbit other stars, but free-floating exoplanets, called rogue planets, orbit the galactic center and are untethered to any star A study that analyzed Kepler data calculated that the Milky Way could harbor as many as six billion Earth-like planets, while another estimated the number of potentially habitable planets in our galaxy at about 300 million. #Neil #deGrasse #Tyson, #Universe, #Life, #Neil #Tyson, #Neil #Tyson #Aliens, #Are #We #Alone #in #the #universe, #Extraterrestrial #life, #astrobiology, #space,time, #astrophysics,alien #life, #alien #civilization, #how #did #life #start, #science, #science #time, #BBC #iPlayer, #United #Kingdom, #British #TV, #British #TV #Shows, #Watch #UK #TV #Online, #Watch #British #TV #Online, #Watch #British #TV #Shows #Online, #Universe, #Space,Planets, #Science, #Brian #Cox, #NASA, #Aliens,ET,Space #signals, #Frank #Drake, #bright #side,Brightside,scientific