A NEW VIEW OF MARS NASA MARINER & VIKING MISSION PROMOTIONAL FILM 59074
1 2022-04-27T15:28:33-04:00 Patrick Timothy Dawson a0b08a5aaf9148250b99cba97af95de3340033d4 105 3 This 1970's NASA movie shows the results of the Mariner 9 mission -- which produced hundreds of photographs of the planet's surface, creating a new understanding of the planet's geography and atmosphere. At 7:30 , the film discusses the 1976 Viking mission including the dropping of a lander onto the planet's surface. The film speculates that the lander could find life on Mars, and shows at 8:00 possible types of Martian life that could be encountered, including creatures that extract water from rocks, or microscopic organisms. Mariner 9 (Mariner Mars '71 / Mariner-I) was an unmanned NASA space probe that contributed greatly to the exploration of Mars and was part of the Mariner program. Mariner 9 was launched toward Mars on May 30, 1971 from Cape Canaveral Air Force Station and reached the planet on November 14 of the same year, becoming the first spacecraft to orbit another planet – only narrowly beating the Soviets' Mars 2 and Mars 3, which both arrived within a month. After months of dust storms it managed to send back clear pictures of the surface. Mariner 9 returned 7329 images over the course of its mission, which concluded in October 1972. The Viking program consisted of a pair of American space probes sent to Mars, Viking 1 and Viking 2. Each spacecraft was composed of two main parts: an orbiter designed to photograph the surface of Mars from orbit, and a lander designed to study the planet from the surface. The orbiters also served as communication relays for the landers once they touched down. The Viking program grew from NASA's earlier, even more ambitious, Voyager Mars program, which was not related to the successful Voyager deep space probes of the late 1970s. Viking 1 was launched on August 20, 1975, and the second craft, Viking 2, was launched on September 9, 1975, both riding atop Titan III-E rockets with Centaur upper stages. Viking 1 entered Mars orbit on June 19, 1976, with Viking 2 following suit on August 7. After orbiting Mars for more than a month and returning images used for landing site selection, the orbiters and landers detached; the landers then entered the Martian atmosphere and soft-landed at the sites that had been chosen. The Viking 1 lander touched down on the surface of Mars on July 20, 1976, and was joined by the Viking 2 lander on September 3. The orbiters continued imaging and performing other scientific operations from orbit while the landers deployed instruments on the surface. The project cost roughly 1 billion USD in 1970s dollars, equivalent to about 11 billion USD in 2016 dollars. It was highly successful and formed most of the body of knowledge about Mars through the late 1990s and early 2000s. We encourage viewers to add comments and, especially, to provide additional information about our videos by adding a comment! See something interesting? Tell people what it is and what they can see by writing something for example: "01:00:12:00 -- President Roosevelt is seen meeting with Winston Churchill at the Quebec Conference." This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD, 2k and 4k. For more information visit http://www.PeriscopeFilm.com plain 2022-04-27T16:15:21-04:00 Stock Footage High Definition 59074ANewViewOfMars movies Internet Archive Patrick Timothy Dawson a0b08a5aaf9148250b99cba97af95de3340033d4This page has annotations:
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2022-03-07T16:31:50-05:00
Sagan’s Work on the Pioneer, Viking, and Voyager Space Probes
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2022-07-18T18:13:18-04:00
07/24/1969 - 09/28/1980
You are now in the section of this project devoted to Carl Sagan's work on Pioneer, Viking, and Voyager space probes. This work on several of these space probes directly informed the creation of the original Cosmos series, Cosmos: A Personal Voyage. The first probes we will be discussing here are Pioneer 10 and 11. The spacecraft launched on March 2nd, 1972, and April 5th, 1973, respectively. Their primary mission was to take close-up pictures of Jupiter and send them back to Earth. A journey that would ultimately conclude with them being the first human-made spacecraft to exit our solar system and enter deep space. Thus, Sagan was tasked with creating a golden plaque to be placed on the probes that would communicate their origins in the remote event that intelligent life elsewhere might pick them up. Here's a two-minute interview with Sagan from 1972 discussing the likelihood of life on Jupiter and the creation of the golden plaque.
Though the idea for the plaque was conceived of by Sagan, it was illustrated by his wife at the time Linda Saltzman Sagan, she would also work with Sagan on the Voyager space probes, which will be discussed later in this section. Between the Pioneer and Voyager missions, Sagan also worked on the Viking space probes that were sent to land on Mars and take the first ever photos of the Martian surface. The documentary titled A New View of Mars documents the current human understanding of Mars leading up to that mission. It discusses the legacy of human thinking about Mars, the earlier Mariner 9 mission to circumnavigate it, the possibility of life on the planet, and the plans for the Viking missions that were underway at that time. I have isolated 9 minutes of this documentary. You can watch as much of it as you choose.
After the Viking mission, Sagan was tasked to help create the most elaborate message to intelligent life elsewhere in the cosmos yet. That being the golden record that was placed on the Voyager 1 and 2 space probes. The team he assembled included his wife, Linda Salzman Sagan, and Ann Druyan. Sagan and Druyan would fall in love while working on the project and Sagan would later divorce Salzman and marry Druyan in 1981. The record contains several messages that an alien civilization with an understanding of math and physics may likely understand. One notable example that I would like to draw your attention to is the measurements of human brainwaves located in the bottom left corner. Those are Druyan’s brainwaves. She discusses the experience of having them recorded in a section of the Cosmos: Possible Worlds companion book, which I have quoted below.
Voyager 2 was the first of these space probes to launch on August 20th, 1977. Voyager 1 would follow on September 5th. A book was co-authored by everyone on the Golden Record team recounting their experiences working on the project. It was titled Murmurs of Earth: The Voyager Interstellar Record and it was released the following year in 1978. Here are 7 minutes of a documentary from 1982 discussing Voyager 2’s first photos of Saturn's rings. It also showcases the television studio that had been set up to interview scientists daily throughout the project. After you’re done with the documentary, you can use the blue button below to continue to the section on Cosmos: A Personal Voyage and Sagan’s Antinuclear war activism. You can also select a different section that you are interested in by returning to the homepage or using the drop-down menu at the top of your screen.In 1977, I recorded my own brain waves for a message to any beings in the Milky Way galaxy who might happen upon one of two derelict spacecraft at any time in the next five billion years. It came about when Carl Sagan asked me to be the creative director for an interstellar message of unprecedented complexity to be affixed to the side of NASA’s Voyager 1 and 2 spacecraft. The Voyagers would undertake the first reconnaissance mission of the outer solar system before wandering through the galaxy for the next several billion years. One part of what came to be called the “golden record” consisted of music representing many human cultures, including Delta blues, Peruvian panpipes, Javanese gamelan, a Navajo night chant, Senegalese percussion, Japanese shakuhachi, a Georgian men’s chorus, and much more. Another section of the record was devoted to different kinds of sounds: a newborn’s first cry and her mother ’s soothing murmurs, the roar of an F-111 flyby, a cricket song, a kiss, and greetings in 59 different human languages and one whale language. We had no idea who would ever hear this recording or what it would mean to them, but we knew it was a sacred undertaking. Nothing we had built would ever travel so far and last so long. In 1977, with the Cold War raging, we looked upon our task as building an ark of human culture. Carl and I fell in love that same spring while we were making the golden record. We had known each other for three years as platonic friends and coworkers, each committed to another person. In that other life I had asked Carl if it would be possible for our imagined extraterrestrials to decipher the signals from a recording of a meditation that registered my EEG, EKG, and REM (rapid eye movement) sleep. Carl replied, “Billions of years is a long time, Annie. Go do it.” The recording session at a New York hospital fell only two days after we had blurted out our feelings to each other in a long-distance phone call and decided to marry. My thought itinerary for the meditation included a broad narrative of the multibillion-year history of our planet. Toward the end of the hour, I permitted myself a personal exploration of the love that I had discovered only hours before. My fresh joy at finding my heart’s true home will endure on those records longer than Earth itself (Druyan, 2020, p. 163-164).