astounding images coming down from 250 miles up above the earth today during the 7 1/2-hour space walk. especially when mike hopkins, the american, strapped in by his boots to the big robotic boom arm swung all the way to the other side. carrying him 800-pound cooling pump module with just his hand. of course, with nothing up there. he was steer flood place. rocket science took a back seat as rick holding on guided it into place 2 old-fashioned way. >> little bit more. maybe another turn. >> okay. >> i think that's good. we can stop there. >> nasa then did a bump test to make sure the pump appeared to be working. that was pretty effective. it does appear to be working. once back inside the air lock both astronauts did what is called a burnout. a ten-minute deacon contamination procedure for their space suit. during the space walk, as you control in houston noted,