all eyes are on you know. >> as nick gordon circled the moon, dick comrade and alpine rested for the next expedition. their total time on the lunar surface had been just under four hours. 12 and a half hours later, they went out again. >> whoops, -- . okay, houston. >> roger. >> copy, pete. >> before they began their biological extradition to surrounding craters and to surveyor the the, they worked around the lunar module, getting the fuels and continues they would meet. >> -- roger, we copy that. >> i wonder what happened since yesterday. i think everybody learns -- . >> it has been readied the equipment, comrade went out to the alsep station to check an instrument about which unearth based scientist had shown some concern. >> i look out to the alsep and check the side. -- >> houston, pete's on his way to the. >> after karen right egg checked the alsep experiments, they began the geological traverse, during which they would cover about a mile and take samples from six craters. >> you get a big surprise when you look into this crater. it's a lot deeper than it looks. >> there you go.