tv Lick Observatory CSPAN March 4, 2017 9:51pm-10:01pm EST
c-span3. like us on facebook at c-span history. announcer: sunday night, wall street journal reporter brody mullins talks about his story "the rise and fall of a case street renegade." about thisard rumors guys lifestyle for a while so i wanted to wait and see if anything is became public about this guy and about a year later i started looking into his life and into his campaign donations and spending and what made him a lobbyist. announcer: sunday night on "q&a." announcer: all weekend, american history tv is featuring san jose, california.
staff recently visited many sites showcasing his history. it is california's third-largest city. learn more about san jose all weekend, here on american history tv. announcer: >> james was a wealthy businessman in the san francisco bay area back in 1800. his portion was over $3 million in the 1860's and he wanted to be remembered. georgia davidson, the president of the california academy of sciences and james, and a strong number, showed him what satellite look like through a telescope and they were the factors that convinced him that a scientific monument was the right way to go. he decided he wanted he -- the greatest telescope superior to any in existence constructed as his memorial and he gave about $700,000 of his fortune to form
the lick observatory. this telescope is his monument. the construction of this observatory actually took quite a long time and started in the 1870's. mount hamilton was an unoccupied mountain, there was no road to the top, so they convinced santa clara county to build a first-class road to the top of mount hamilton and that started in 1876. by 1888, the road construction was done and they could finally actually start building this building and by 1886, they finally knew how big the telescope would be. the lenses were done being made and ground to the final figure so they could start constructing this dome. this dome is a large diameter, i do not know exactly how large it is, but approximately 800 feet in diameter and it houses the 60 feet long telescope and you will notice the telescope is high up and you cannot reach the eyepiece easily.
they worked around this problem because the floor i am standing on was a huge elevator and this floor would go up to the telescope so the astronomer could ride the floor up to whatever the -- whatever place the telescope was and easily look through the eyepiece or take the photographic plate data they were taking back in the late 1800s and early 1900s. astronomy in the late 1800s and early 1900s, when lick observatory was constructed, was really going through a heyday of discovery. this telescope was the largest of its kind in the world in 1888 and with it, they were able to make some great, early discoveries in the first few years of this observatory. just the first night of science observations with this telescope in january of 1888, james keeler looked at saturn and he actually discovered a new gas in the rings of saturn that is now got -- that is now called the anky
division. another man discovered the fifth moon of jupiter. that was a huge discovery. people didn't know there were more moons and it was the last moon discovered in our solar system using visual techniques, just looking with a human eyeball. all subsequent moons have been does covered -- discovered photographically. this is lick observatory's plate vault or photographic plate archived. the observatory was very influential in the days of photography and we have of the order of 150,000 photographic plates. today we do not use photographic plates. we use digital cameras and lake
advisory -- lick observatory moved to new photographic research. i will pull a full photographic plates so you can see what they look like. lick observatory was very prominent in moon observations. we have many plates of the moon from the early or late 1800s and early 1900. this is a plate from 1908. this is a negative image so that you can actually see the moon
looks dark and the sky looks white. these are some of the finest images of the moon in existence and they are routinely used in textbooks even today when you are learning about the moon. lick observatory was not only doing research on the moon back in the late 1800s and early 1900s, but we had a key part to play in the apollo 11 mission. buzz aldrin and neil armstrong on the moon on their first trip what is called the lunar retro reflector and this is a -- little prisms of light that if light came in, it would be sent along the same path. we use the largest telescope, the shane 103 inch -- to shoot a laser at the moon and send the
laser light back at us and that yielded the most accurate measurement to the distance of the moon ever done to that point. james lick unfortunately did not get to see his monument finished. he died in 1876 wasn't -- and was originally buried in san francisco. his final wish was to be buried at his monument so james lick was disinterred from san francisco in 1887 and reinterred here. his tomb is at the base of the telescope and the telescope itself is his tombstone. announcer: our cities tour staff recently traveled to san jose, california, to learn about its rich history. learn more at www.c-span.org/citiestour. you are watching american
history tv all weekend every weekend on c-span3. monday night, the executive director of the association representing app developers on their concerns on cyber security and what members hope to see from the trump administration. decided tociation speak out against aspects of president trump's immigration order. i was wondering if you could talk about the reasoning. >> from our perspective, the executive order was not done in a way that allowed for illegal immigration of people into the country in a way that wasn't confusing. it was good to see that it was changed to allow green card holders and others who have been
in the united states to come in. there is good in that but the recently spoke out is we thought that the little guy was getting hurt. announcer: monday night, at 8:00 eastern on c-span2. announcer: each week, american history stevie -- american history tv brings you archival films. 1967, there were 485,000 members of the military in vietnam and more than 11,000 deaths that year. vietnam,"y in webb.ed by jack it set out to document the difficulties facing the marines