describes how public opinion about extraterrestrials changed over the course of the 20th century, often paralleling societal anxieties. this class is about one hour and 15 minutes. felix harcourt: let us start with the question that i am sure that no one will have any problem having their answer recorded for television four. a show of hands how many people believe alien life exists? a number of people. i think so. stephen hawking s think so. stephen hawking thinks so. a probability that alien life has evolved and probably looks pretty different from us but they may be out there. slightly different question. how many of us believe that aliens have come to earth? sergio, the only man with a strength of his convictions. another question. is the idea that aliens have visited earth, in and of itself, a conspiracy theory? sergio? probably not. if you take into account that we are trying to get to mars, there would technically be alien life there. to say that another life form
this class is about one hour and 15 minutes. prof. harcourt: let us start with the question that i am sure that no one will have any problem having their answer recorded for television 4. a show of hands how many people believe alien life exists? a number of people. i think so. stephen hawking thinks so. there is a probability that alien life has evolved and probably looks pretty different from us but they may be out there. slightly different question. how many of us believe that aliens have come to earth? sergio, the only man with a strength of his convictions. another question. is the idea that aliens have visited earth, in and of itself, another question. is the idea that aliens have a conspiracy theory? sergio? probably not. if you take into account that we are trying to get to mars, there would technically be alien life there. to say that another life form has become intelligent enough to do space travel and visit another planet is not a conspiracy theory. felix harc
a, 1968, 1 of the longest and earliest battles of the vietnam war. me because the military command was so out of touch with what was happening industries that they literally got a lot of young americans killed. general westmoreland denied the city had been taken. denyntinued to the it for the entire time the battle was being fought. small units of marines and troopers were being ordered to attack positions that were held by overwhelmingly superior enemy forces in entrenched positions. tonight at 8:00 p.m. eastern on c-span s q&a. each week, american history tv s real america brings you archival films. on thursday, august 3, general john throckmorton arrived at the white house to report on conditions in the city of detroit. as of 12:00 previous day, the responsibility for law and order in the city had been returned to state authorities. there had been little in america s recent past to prepare her for the nightmarish war streets inr 1967. it came out of the ghettos of
stephen hawking thinks so. there is a probability that alien life has evolved and probably looks pretty different from us, but they may be out there. slightly different question. how many of us believe that aliens have visited earth? sergio, the only man with a strength of his convictions. i appreciate that. another question. is the idea that aliens have visited earth, in and of itself, a conspiracy theory? sergio? probably not. why not? if you take into account that we are trying to get to mars, we would technically be alien life there. to say that another life form has become intelligent enough to do space travel and visit another planet is not a conspiracy theory. felix harcourt: that seems fair. it depends on how you define the scope of a conspiracy theory. it would take a species collaborating together to land on another planet. is another race working together a conspiracy? i would think so. felix harcourt: that seems reasonable. it seems a little odd to indic
probably looks pretty different than us, but it might be out there. slightly different question. how many of us believe that aliens have visited earth? sergio b only man with a strength of his convictions. another question. is the idea that aliens have visited earth, in and of itself, a conspiracy theory? sergio? probably not. if you take into account that we are trying to get to mars, there would technically be alien life there. to say that another life form has become intelligent enough to do space travel and visit another planet is not a conspiracy theory. felix harcourt: that seems fair. it depends on how you define the scope of a conspiracy theory. it would take a species collaborating together to land on another planet. felix harcourt: that seems reasonable. it seems a little odd to indict the entire planet of wherever for wanting to come to visit. even if we are arguably maybe we could consider it a conspiracy theory, it would be a conspiracy of aliens among themselv