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The snow, like today. and then down at the bottom, ice that might have fallen as snow 35,000 years ago. it s the part of the antarctic ice sheet we call the buttress, because it fringes the entire continent. it might take 50,000 years for the ice itself to get into the raw sea and bust off as an iceberg. but it would take only 20,000 years or even 10,000 years if the ice shelf wasn t there. this is the biggest pile of free ice in the solar system. anthony: mcmurdo is at the tip of ross island, surrounded by miles of frozen sea. there are a lot of different types of ice down here. doug: glaciology started about 50 years ago. our entire science is driven by the fact that we re still trying to figure out what antarctica is doing in terms of sea level. how the ice sheet is expanding or contracting, how it s flowing, whether it melts in some places, how it bust off icebergs that float away in the ocean. and we re trying to come up with some kind of a solid, reliable statement about what ....
And then down at the bottom, ice that might have fallen as snow 35,000 years ago. it s the part of the antarctic ice sheet we call the buttress, because it fringes the entire continent. it might take 50,000 years for the ice itself to get into the raw sea and bust off as an iceberg. but it would take only 20,000 years or even 10,000 years if the ice shelf wasn t there. this is the biggest pile of free ice in the solar system. anthony: mcmurdo is at the tip of ross island, surrounded by miles of frozen sea. there are a lot of different types of ice down here. doug: glaciology started about 50 years ago. our entire science is driven by the fact that we re still trying to figure out what antarctica is doing in terms of sea level. how the ice sheet is expanding or contracting, how it s flowing, whether it melts in some places, how it busts off icebergs that float away in the ocean. and we re trying to come up with some kind of a solid, reliable ....
doug: it s fresh water ice and the ice itself varies from the snow, like today. and then down at the bottom, ice that might have fallen as snow 35,000 years ago. it s the part of the antarctic ice sheet we call the buttress, because it fringes the entire continent. it might take 50,000 years for the ice itself to get into the raw sea and bust off as an iceberg. but it would take only 20,000 years or even 10,000 years if the ice shelf wasn t there. this is the biggest pile of free ice in the solar system. anthony: mcmurdo is at the tip of ross island, surrounded by miles of frozen sea. there are a lot of different types of ice down here. doug: glaciology started about 50 years ago. our entire science is driven by the fact that we re still trying to figure out what antarctica is doing in terms of sea level. how the ice sheet is expanding ....
We don t know his condition. they say it is stable. how complicated is it to rescue someone from the south pole? it s extremely complicated. i did this a couple times when i was stationed at the south pole with the air force. what essentially happens is you re at mcmurdo, on the coast, sea level. most people don t realize the south pole is above 9,000 feet in altitude. when people get there, number one, there s not a whole lot of f facilities, a lot lot of medical condition. most of the evacuations i did were because of high altitude pulmonary edema, the same thing mountain climbers get. they take them to new zealand, which seems to be what happened here. thank you very much. yes just know john kerry was just down there, the secretary of state, the first to visit the south pole. it is a very difficult challenge, especially for someone of his age. thank you, doctor. coming up next, bernie ....
His condition deteriorated. a statement from that tour group says aldrin has fluid in his lungs but responding well to antibiotics. they say he s in good spirits. nbc medical contributor dr. john torres has been following this story for us. when you hear this description of buzz aldrin s condition and with the caveat you are not treating buzz aldrin, obviously, can you draw any conclusions as to what may have happened to him while he was on this trip? hallie, it sounds like what we call high altitude pulmonary edema. this happened when i was back there in 2006, i was doing these type of south pole rescues. we would be stationed at mcmurdo. we would get to the south pole as quick as we could in a c-130 take them back to mcmurdo because you want to get them to sea level. what a lot of people don t realize is the south pole itself is actually at 9,000 feet. depending on if there s a low pressure system, it can go as ....