standing in front of a full sized model of pioneer 10, dr. carl sagan talks about the possibility of discovering life in the atmosphere of jupiter. - 卡爾·薩根 個影片檔及 b 捲影像00:46木星, 太陽系
dr. sagan talks about olympus mons, the largest volcano discovered in the solar system at that time. - 卡爾·薩根 個影片檔及 b 捲影像00:27太陽系
dr. sagan talks about the plaque attached to pioneer 10. intended to be seen by intelligent extraterrestrial life if the probe is ever intercepted,... - 卡爾·薩根 個影片檔及 b 捲影像00:59外星人
dr. sagan talks about the possibility of running water and a thicker, warmer atmosphere in the martian past. - 卡爾·薩根 個影片檔及 b 捲影像00:30
dr. sagan shows evidence of sand dunes blown by wind on the surface of mars. - 卡爾·薩根 個影片檔及 b 捲影像00:26
dr. sagan talks about what previous generations thought changes observed on the surface of mars were. - 卡爾·薩根 個影片檔及 b 捲影像01:04
dr. sagan states "just as the study of the climate of mars will help us understand the climate of earth, i think the study of the biology of mars... - 卡爾·薩根 個影片檔及 b 捲影像00:13太陽系
dr. sagan discusses the discovery of what looks like riverbeds, showing evidence of running water at some point in the martian past. - 卡爾·薩根 個影片檔及 b 捲影像00:49
/ on the eve of mariner 9 going into orbit at mars, ray bradbury takes part in a symposium discussion at caltech with arthur c clarke, journalist... - 卡爾·薩根 個影片檔及 b 捲影像03:32
dr. sagan speculates that the changes on the surface seen in photographs taken by mariner 9 were the result of shifting winds. - 卡爾·薩根 個影片檔及 b 捲影像01:15
lynne bondurant talks of discovering life on mars. text, "dr. carl sagan director of planetary studies cornell university." carl sagan states that... - 卡爾·薩根 個影片檔及 b 捲影像02:24外星人
dr. carl sagan, astronomer, talks about the enormous improvement of being able to get close-up photographs of mars from the viking 1 spacecraft. - 卡爾·薩根 個影片檔及 b 捲影像00:18
ann druyan on talks about the accelerated development of technologies when carl sagan and her set forth with the voyager mission in 1977. gives a... - 卡爾·薩根 個影片檔及 b 捲影像01:38
/ american scientist carl sagan on a soviet television broadcast / satellite in space / dignitaries at a conference between soviet union and the us... - 卡爾·薩根 個影片檔及 b 捲影像00:42
dr. sagan talks about how little was known about mars until the mariner 9 space probe. - 卡爾·薩根 個影片檔及 b 捲影像00:35
carl sagan dies, aged 62; england: london:dr carl murray flicking thru book 'cosmos' by sagan / interview sot- pays tribute to sagan as worked with... - 卡爾·薩根 個影片檔及 b 捲影像00:34
astronomer dr. carl sagan and science fiction author ray bradbury discuss the viking space probes sent to mars. - 卡爾·薩根 個影片檔及 b 捲影像00:15
astronomer dr. carl sagan and science fiction author ray bradbury discuss the viking space probes sent to mars. - 卡爾·薩根 個影片檔及 b 捲影像00:28