Tom, I remember those days. I credit the pictures of Earth from space with starting the environmental movement. How could you ignore the mindset that we were all just passengers on this planet. I think they were the most impactful images of the last century. Regards, Bob S.
On Thu, Aug 25, 2011 at 3:57 PM, Tom Cakalic <[email protected]> wrote: > http://www.space.com/12707-earth-photo-moon-nasa-lunar-orbiter-1-anniversary.html/?utm_source=Newsletter&utm_medium=Email&utm_campaign=SP_08252011_1 > > Excerpt: > > The entire camera contraption would have made Rube Goldberg proud, > exposing, developing, and processing photographic film onboard a > moving spacecraft, traveling around the moon constantly between hot > and cold temperature extremes anywhere from approximately 27 to 3,700 > miles above the lunar surface. > > "This thing is going around the moon in zero gravity and developing > film," said Williams. "It was an amazing achievement that they could > do this." > > Williams said that the camera had "these big honking reels" of 70 mm > film. The film would roll through, the camera would take pictures, and > then move the exposed film to an automated developer. The automated > film developer contained a mix of chemicals that would develop the > film using a process similar to the method used by Polaroid cameras. > An electron beam would then scan each developed image before > transmitting the photos back to Earth using radio signals -- the same > way television satellites would analog signals to TV stations. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
