best impact crar there is, which is meteor crater right down the road from where we are here, a litt observatory. and so they went to meteor crater to see what an actual impact crater looks like. and then they went to low observatory to to study the mapping and see how these features are on maps because they're going to have to be able read these maps and and to what they're seeing on the map to the real and then at night after dinner up here, the group broke up into three each group one with some folks some of them stayed here at loeb's retreat with this telescope. some went to northern arizona university, their telescope, and then others went to the us naval observatory, flagstaff station, located about four miles from here. so those three different groups using, those three different telescopes, the astronauts each looked through the telescope to see the moon and where they would be going. so in one day they could see what an actual impact crater looks like, how impact craters are depicted on maps and what they what moon's impact craters actually looked like. so the upshot that that first tri