Mar 1, 2022 · Mars missions have been launching for over 50 years. Humanity has sent orbiters, probes and landers to Mars but not every mission has been successful. ... Mariner 9 and the Viking missions, 1971 ...Viking lander biological experiments - Wikipedia. Schematic of the Viking Lander Biological Experiment System. In 1976 two identical Viking program landers each carried four …Sep 3, 2010 · The Viking mission was planned to continue for 90 days after landing. Each orbiter and lander operated far beyond its design lifetime. Viking Orbiter 1 functioned until July 25, 1978, while Viking Orbiter 2 continued for four years and 1,489 orbits of Mars, concluding its mission August 7, 1980. Because of the …The Viking Project -- today with fewer than 30 people engaged in flight operations and science data processing -- is managed for NASA's Office of Space Science by Jet Propulsion Laboratory. 818-354-5011. 1980-0940. After more than four years exploring Mars, NASA's Viking Orbiter 1 has almost reached the end of its mission.Feb 9, 2010 ... During the dual Viking missions, the two orbiters imaged the entire surface of Mars at a resolution of 150 to 300 meters, and the two landers ...Mar 1, 2022 · Mars missions have been launching for over 50 years. Humanity has sent orbiters, probes and landers to Mars but not every mission has been successful. ... Mariner 9 and the Viking missions, 1971 ...Oct 27, 2015 ... This video clip from NASA examines space exploration by the Viking missions to Mars and considers if life can exist on the Red Planet.If you’re looking for a luxurious and exciting vacation, Viking Cruises offers a wide range of options for travelers. However, booking a cruise can be expensive, which is why many ...By the end of 349 days in Mars orbit, 7329 images (including images of Mars' two moons, Phobos and Deimos) had been relayed back to Earth and a total of 54 billion bits of data had been transmitted. Mariner 9 completely revolutionized our view of Mars and the information from this mission would later serve as the foundation for the Viking program.Sep 3, 2010 · The Viking mission was planned to continue for 90 days after landing. Each orbiter and lander operated far beyond its design lifetime. Viking Orbiter 1 functioned until July 25, 1978, while Viking Orbiter 2 continued for four years and 1,489 orbits of Mars, concluding its mission August 7, 1980. Because of the …Jul 20, 2021 · Article. In the summer of 1976, a pair of orbiter and lander spacecraft called Viking arrived at Mars. After first entering orbit, Viking 1’s lander touched down on the Red Planet on July 20. It became the first U.S. spacecraft to land on another planet. Its twin, Viking 2, arrived a few weeks later. The two orbiters and landers operated well ... The Viking mission was the first to explore Mars' surface. Two spacecraft, Viking 1 and 2, each with an orbiter and a lander, made the journey to Mars.Feb 19, 2024 · Mars is the fourth planet in the solar system in order of distance from the Sun and the seventh in size and mass. ... Survey, Menlo Park, California. Leader of the Viking orbiter imaging team; team member on the Voyager, Galileo, and Mars Observer missions. Author of The Surface ... (NASA) for the study of the planet …Mars Exploration Section Missions. Mars Pathfinder. Mars Pathfinder was launched December 4, 1996 and landed on Mars' Ares Vallis on July 4, 1997. It was designed as a technology demonstration of a new way to deliver an instrumented lander and the first-ever robotic rover to the surface of the red planet. Pathfinder not only …The Viking Orbiter: and lander: Viking 1 was launched on August 20, 1975 and arrives at Mars on June 19, 1976. The Lander was released from the orbiter and landed on July 20, 1976. The mission of the orbiter ended on August 7, 1980 and the lander's mission ended on February 1, 1983. The Viking 1 lander operated out of …Viking Mission to Mars. NASA’s Viking Project was the culmination of a series of missions to explore Mars that had begun in 1964 with Mariner 4, and continued with the …Jul 20, 2016 · Twin missions. The Viking 1 and Viking 2 spacecraft — which launched in August 1975 and September 1975, respectively — were both composed of an orbiter-lander pair.. As the Vikings closed in ... The U.S. Department of Energy's Office of Scientific and Technical InformationViking lander biological experiments - Wikipedia. Schematic of the Viking Lander Biological Experiment System. In 1976 two identical Viking program landers each carried four …Dec 6, 2012 · NASA's Viking 2 was a joint orbiter-lander mission that saw the second U.S. landing on Mars on Sept. 3, 1976. Viking 2's lander touched the Red Planet just weeks after its sibling, Viking 1. The ...Dec 6, 2012 · NASA's Viking 2 was a joint orbiter-lander mission that saw the second U.S. landing on Mars on Sept. 3, 1976. Viking 2's lander touched the Red Planet just weeks after its sibling, Viking 1. The ...About the mission. Viking 2 landed on Mars in September 1976 -- immediately following the first successful spacecraft landing on Mars by Viking 1 -- and …Dec 6, 2012 · NASA's Viking 2 was a joint orbiter-lander mission that saw the second U.S. landing on Mars on Sept. 3, 1976. Viking 2's lander touched the Red Planet just weeks after its sibling, Viking 1. The ...The Viking mission to Mars, a continuation of NASA's Mariner program to explore the inner planets, accomplished the first successful landings of spacecraft on another planet (Plate 16). It was initiated in 1968 with the principal responsibility assigned to the Langley Research Center (LaRC) in Hampton, Virginia, assisted by the Jet …Sep 30, 2022 · Viking: Directed by Stéphane Lafleur. With Steve Laplante, Larissa Corriveau, Fabiola Nyrva Aladin, Hamza Haq. A behavioral research team observes and attempts to replicate the experiences of the first manned mission to Mars. Both NASA Viking missions used a combination of orbiter and lander to explore Mars in unprecedented detail. This is the first photograph ever taken on the surface of Mars. It …Sep 30, 2022 · Viking: Directed by Stéphane Lafleur. With Steve Laplante, Larissa Corriveau, Fabiola Nyrva Aladin, Hamza Haq. A behavioral research team observes and attempts to replicate the experiences of the first manned mission to Mars. Feb 9, 2010 ... During the dual Viking missions, the two orbiters imaged the entire surface of Mars at a resolution of 150 to 300 meters, and the two landers ...Contents. This Viking 1 image is one of first images of a sunset as seen from the surface of Mars. The image shows the Chryse Planitia region of Mars about 15 minutes before sunset on Aug. 21, 1976. The camera is pointed southwest and the Sun is at an elevation angle of 3 or 4 degrees above the horizon and about 50 …Mar 16, 2022 · combination of parachutes and rocket engines for landing was successfully used on the Viking Landers. The 1997 Mars Pathfinder mission used parachutes and rocket engines and an additional inflatable airbag system for a bouncing and rolling landing. Human Mars missions have been planned and analyzed since the 1950’s and continue …Feb 9, 2010 · Viking 1 was launched on August 20, 1975, and arrived at Mars on June 19, 1976. The first month of its orbit was devoted to imaging the surface to find appropriate landing sites. On July 20, 1976 ...Jul 19, 2016 ... July 20, 1976, 7 years to the day after the Apollo 11 moon landing, the first successful landing on Mars by NASA's Viking spacecraft took ...Sep 26, 2023 · Temperatures on Mars can range from -284 degrees F to 86 degrees F. The atmosphere on Mars is 96% carbon dioxide. One day on Mars lasts about 37 minutes longer than an Earth day. A year on Mars is almost twice as long as a year on Earth. Gravity on Mars is about one-third of the gravity on Earth. The twin Viking landers of 1976 were NASA’s first life detection mission, and although the results from the experiments failed to detect life in the Martian regolith, and resulted in a long period with fewer Mars missions, it was not the end of the fascination that the Astrobiology science community had for the red planet. Two Viking spacecraft wil1 be launched to Mars from Cape Canaveral this month in the United States' first attempt to land on another planet. The Viking Project is managed by the NASA Langley Research Center, Hampton, Virginia. Viking launch activities can be monitored at the Jet Propulsion Laboratory, Pasadena, per the following schedule: published 20 July 2016. The first image captured by NASA's Viking 1 lander on Mars, on July 20, 1976, shows one of the spacecraft's footpads.(Image credit: NASA/JPL) …Dec 6, 2012 · NASA's Viking 2 was a joint orbiter-lander mission that saw the second U.S. landing on Mars on Sept. 3, 1976. Viking 2's lander touched the Red Planet just weeks after its sibling, Viking 1. The ...Oct 26, 2012 · Viking 1's Titan III-E rocket roared to life Aug. 20, 1975, as the spacecraft set forth on its nearly 500-million-mile journey to Mars. Fully fueled, the orbiter-lander duo weighed about 7,800 ...Viking Cruises, known for their luxurious and culturally immersive voyages, has announced their 2023 cruise itineraries. Amongst them are several exciting options for those who dre... The primary mission objectives were to obtain high resolution images of the Martian surface, characterize the structure and composition of the atmosphere and surface, and search for evidence of life. Viking 1 was launched on August 20, 1975 and arrived at Mars on June 19, 1976. The first month of orbit was devoted to imaging the surface to find ... Model of Viking Lander. 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: …Sep 28, 2016 · 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 orbite... Jul 1, 1976 · The Viking Mission search for life on Mars. Harold P. Klein 1, Joshua Lederberg 2, Alexander Rich 3, Norman H. Horowitz 4, Vance I. Oyama 5 & ...Viking 2023 Cruises offer travelers the opportunity to explore some of the world’s most exotic and exciting destinations. From the Mediterranean to the Caribbean, these cruises pro...Both the Viking 1 and Viking 2 Orbiters collected years of high-resolution imagery and scientific data. All blazed a trail on the #JourneyToMars, which will one day take humans to the Red Planet too. Enjoy the retro-style artwork commemorating the 40th anniversary of NASA's Viking 1 and 2 missions to Mars! Read more on …Are you dreaming of embarking on a Viking Cruise but worried about the cost? Fear not. With a little know-how, you can unlock incredible savings on last-minute Viking Cruises. Last...Jul 19, 2016 ... July 20, 1976, 7 years to the day after the Apollo 11 moon landing, the first successful landing on Mars by NASA's Viking spacecraft took ...Viking cruises are known for their luxurious amenities, stunning destinations, and world-class service. With so many options available, it can be difficult to decide which Viking c...By the end of 349 days in Mars orbit, 7329 images (including images of Mars' two moons, Phobos and Deimos) had been relayed back to Earth and a total of 54 billion bits of data had been transmitted. Mariner 9 completely revolutionized our view of Mars and the information from this mission would later serve as the foundation for the Viking program.Jul 20, 2016 · Twin missions. The Viking 1 and Viking 2 spacecraft — which launched in August 1975 and September 1975, respectively — were both composed of an orbiter-lander pair.. As the Vikings closed in ...VIKING 1 MARS LAUNCH ----- The Viking 1 spacecraft was launched on August 20, 1975 on a Titan Centaur 3 booster from Cape Canaveral, Florida. ... Mission Objectives Overview ===== Exploration of Mars, and the Viking Mission in particular, has been part of a larger quest -- the search for better understanding of the formation and history of the ...NASA's Viking Project found a place in history in July 1976 when Viking 1 became the first U.S. mission to land a spacecraft safely on Mars and return images of the surface. The …Mar 16, 2022 · combination of parachutes and rocket engines for landing was successfully used on the Viking Landers. The 1997 Mars Pathfinder mission used parachutes and rocket engines and an additional inflatable airbag system for a bouncing and rolling landing. Human Mars missions have been planned and analyzed since the 1950’s and continue …Jul 19, 2006 · Narrator: After Mars Observer, NASA picked up and launched two hugely successful new missions - the orbiting Mars Global Surveyor, and Mars Pathfinder, which landed July 4th 1997. Its rover, Sojourner, was a predecessor of the current rovers, Spirit and Opportunity, which are still working after two-and-a half years.Sep 26, 2023 · Temperatures on Mars can range from -284 degrees F to 86 degrees F. The atmosphere on Mars is 96% carbon dioxide. One day on Mars lasts about 37 minutes longer than an Earth day. A year on Mars is almost twice as long as a year on Earth. Gravity on Mars is about one-third of the gravity on Earth.Oct 13, 2023 · The Viking Mars mission was performed by two spacecraft, Viking 1 launched on August 20, 1975, and Viking 2, launched September 9, 1975. Each spacecraft consisted of an orbiter and a lander, which traveled attached together for nearly a year to reach Mars orbit. The landers then separated from the orbiters …The Viking missions cost $1.06 billion, which, when adjusted for inflation, remain NASA's most expensive robotic planetary science mission of all time. Viking 2 will orbit Mars on August 7 with the landing scheduled for September 4. The Viking mission is conducted by the Langley Research Center, Hampton, VA. JPL is responsible for the Orbiter spacecraft and tracking and communications. Martin Marietta, Denver, Colorado, is responsible to Langley for the Lander. 818-354-5011. Aug 4, 2007 · Overview. Phoenix entered the Martian atmosphere at nearly 13,000 miles per hour (21,000 kilometers per hour) on May 25, 2008, and touched down safely on the surface at 23:38:38 UT in the Green Valley of Vastitas Borealis. It was the first successful landing of a stationary soft-lander on Mars since Viking 2 …Jul 20, 2016 · DENVER — Forty years ago today (July 20), NASA's Viking 1 Mars lander became the first American spacecraft to touch down safely on the Red Planet. It was a huge moment in the history of space ... 2 days ago · The Viking mission used two identical spacecraft, each consisting of a lander and an orbiter. Launched on August 20, 1975 from the Kennedy Space Center in Florida, Viking 1 spent nearly a year cruising to Mars, placed an orbiter in operation around the planet, and landed on July, 20 1976 on the Chryse Planitia (Golden Plains). Viking 2 was ...1 day ago · The Viking mission used two identical spacecraft, each consisting of a lander and an orbiter. Launched on August 20, 1975 from the Kennedy Space Center in Florida, Viking 1 spent nearly a year cruising to Mars, placed an orbiter in operation around the planet, and landed on July, 20 1976 on the Chryse Planitia. …Nov 15, 2017 · The basic Viking seismic dataflow can be considered in three stages: (1) steps taken at the Jet Propulsion Laboratory (JPL) during the Viking mission, (2) steps taken at the University of Texas Institute for Geophysics (UTIG) during and shortly following the Viking mission, and (3) steps taken at UTIG recently. Jul 18, 2016 · The event was organized by Rachel Tillman, executive director of the Viking Mars Missions Education and Preservation Project. As the daughter of Jim Tillman, a member of Viking’s meteorology team, Rachel literally grew up with the mission and has known most of its team members — if not personally, at least by …The primary mission objectives of the Vikings were to place two orbiters around Mars and two landers on its surface in 1976 to obtain high resolution images of …Aug 29, 2023 · NASA's Viking program holds a pivotal place in the history of space exploration, particularly our understanding of Mars. Launched in 1975 and 1976, Viking 1 and Viking 2 were the first missions to successfully land spacecraft on the Martian surface and conduct a series of scientific experiments. This article elaborates on various aspects of the… Aug 4, 2007 · The Phoenix mission was the first chosen for NASA's Scout program, an initiative for smaller, lower-cost, competed spacecraft. Named for the resilient mythological bird, Phoenix used a lander that was intended for use by 2001's Mars Surveyor lander prior to its cancellation. It also carried a complex suite of …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 ...Jul 17, 2006 ... Thirty years after the first successful landing on Mars by NASA's Viking spacecraft, the ambitious mission continues to evoke pride and ...Mission: Go to PIAxxxxx: Refine this list of images by: Spacecraft: Instrument: Click on an image for detailed information ... Viking Lander 1's U.S. Flag on Mars Surface Full Resolution: TIFF (93.11 kB) JPEG (13.19 kB) 1997-02-28: Mars: Viking: Camera 2: 498x512x3: PIA00567: Sunset at the Viking ...Sep 2, 2021 ... The Viking missions set the gold standard for landing on Mars, but they couldn't resolve the big question — are we alone?The primary mission objectives were to obtain high resolution images of the Martian surface, characterize the structure and composition of the atmosphere and ...4 days ago · The Viking missions to Mars cost nearly $1.1 billion—but that's not the whole story. ... The Viking missions cost $1.06 billion, which, when adjusted for inflation, remain NASA's most expensive robotic planetary science mission of all time. Of this total, more than half ($610 million) was for lander development, $217 …Viking 1 was launched Aug. 20. l975, and arrived in Mars orbit June l9, 1976. Viking Lander 1 touched down on the Chryse Plains July 20, 1976. Viking 2 was launched Sept. 9, 1975. It reached Mars Aug. 7, 1976, and Lander 2 dropped to the surface Sept. 3, 1976. The planned lifetime for the spacecraft was 90 days after landing.Jul 20, 2006 ... The National Aeronautics and Space Administration's (NASA) Viking 1 mission to Mars captured the world's imagination 30 years ago when the ...Nov 21, 2018 · Mention NASA’s Viking mission to Mars in 1976 and its first-of-its-kind in situ search for life on another planet immediately comes to mind. While astrobiological experiments certainly dominated the science objectives of the Viking landers, other investigations were also performed in NASA’s first Mars landing mission such as …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 ...Jul 20, 2006 ... The National Aeronautics and Space Administration's (NASA) Viking 1 mission to Mars captured the world's imagination 30 years ago when the ... Viking 1 was the first successful mission to land on Mars (the Soviet Mars 3 lander survived for a few seconds after landing in 1971, but sent back no science data), operating on Chryse Planitia until November 1982. Viking 2 lander set down on Utopia Planitia and operated until April 1980. Color image of the Martian surface taken by the Viking ... This document is the original Viking Mars Missions' Lander and System Integration proposal by Martin Marietta to NASA Langley’s Viking Project Office in 1969. This proposal was a response to the NASA Langley Request for Proposals for the mission, and was based on numerous years of study by Martin Marietta staff …Oct 27, 2015 ... This video clip from NASA examines space exploration by the Viking missions to Mars and considers if life can exist on the Red Planet.Oct 31, 2023 · Welcome to the Orbital Data Explorer. The PDS Geosciences Node Orbital Data Explorer (ODE) website is a cross-mission and instrument query, search, display, and download tool for locating and retrieving PDS orbital science data archives of Mars, Mercury, Venus, and Earth's moon. ODE provides a text-based …NASA's Viking Mission to Mars was composed of two spacecraft, Viking 1 and Viking 2, each consisting of an orbiter and a lander. The primary mission objectives were to obtain high resolution images of the Martian surface, characterize the structure and composition of the atmosphere and surface, and search for evidence of life.Mars indeed does have water ice clouds, similar to Earth’s cirrus clouds, both high in the atmosphere and often forming as icy fog just above the ground surface. The Viking orbiter...The First Viking Mission to Mars. G. A. Soffen and C. W. Snyder Authors Info & Affiliations. Science. 27 Aug 1976. Vol 193, Issue 4255. pp. 759 - 766. DOI: …6 days ago · Description. The Viking project consisted of launches of two separate spacecraft to Mars, Viking 1, launched on 20 August 1975, and Viking 2, launched on 9 September 1975. Each spacecraft consisted of an orbiter and a lander. After orbiting Mars and returning images used for landing site selection, the orbiter and lander detached and the lander ... The 1976 Viking Labeled Release (LR) experiment was positive for extant microbial life on the surface of Mars. Experiments on both Viking landers, 4,000 miles apart, yielded similar, repeatable, positive responses. While the authors eventually concluded that the experiment detected martian life, this was and remains a highly controversial ...
The Viking Lander separated from the orbiter and landed in the Chryse Planitia region on Mars on July 20, l976. Viking 2 was launched on September 9, l975 and entered orbit around Mars on August 7, l976. The Viking 2 Lander landed in the Utopia Planitia region of the planet on Sept. 3, l976. The extended Viking Mission is managed for NASA by JPL.. Bacarat game
Nov 8, 2019 · You can see Lovelock, in an interview to mark his 100th birthday, discuss this epiphany here or below. James Lovelock discusses his greatest epiphany. Watch on. In the 1960s the recently formed US space agency, NASA, began to prepare for the Viking mission and in March 1961 wrote to Lovelock in recognition of how he had developed …Three different types of biochemical experiments on samples of Martian surface material (‘soil’) were conducted during the Viking mission to Mars. In the carbon assimilation or pyrolytic release (PR) experiment, 14 CO 2 and 14 CO were exposed to soil in the presence of light. A small amount of gas was found to be fixed by soil (interpreted ...Feb 20, 2024 · Mission to Mars. The 15-cent Viking Missions To Mars stamp was issued July 20, 1978. This is the proof test article of the Viking Mars Lander. While Viking 1 and 2 were on Mars, this third vehicle was used on Earth to simulate their behavior and to test their responses to radio commands. Earlier, it had been used …Viking Mars. Expand your horizons on our award-winning, all-veranda small ship, with just 930 guests, allowing us to dock where larger ships cannot. Only 930 guests. Length: 745 feet. Beam: 94 feet. Class: small ships. Year built: 2022.1978 15c Viking Missions to Mars # 1759 - 1978 15c Viking Missions to Mars $0.35 - $34.50) -+ Image Condition Price Qty; Classic First Day Cover ⓘ Ships in 1-3 business days ...Abstract. As part of the Viking mission to Mars in 1975, an automated set of instruments is being built to test for the presence of metabolizing organisms on that planet. Three separate modules are combined in this instrument so that samples of the Martian surface can be subjected to a broad array of experimental conditions …Jun 19, 2022 · Viking Orbiter 1 continued for four years and 1,489 orbits of Mars, concluding its mission on August 7, 1980, while Viking Orbiter 2 functioned until July 25, 1978. Because of the variations in available sunlight, both landers were powered by radioisotope thermoelectric generators — devices that create electricity from the heat given off by ...The paper outlines the major goals and present achievements of the Viking 1 mission to Mars. The construction and instrumentation of the orbiter and lander are described. The criteria used to select the optimum landing site are discussed together with orbit adjustments and the landing process. Special attention is given to constraints on …Jun 1, 1991 · Seemingly, using the evidence of the Viking missions, there is no life on Mars. The results are, however, equivocal. Given that the conditions for life on Mars are marginal at best, a sample size of two is much too small to determine the habitation of the entire planet. The two Viking lander sites are probably not representative of the majority ...Jul 19, 2006 · Narrator: After Mars Observer, NASA picked up and launched two hugely successful new missions - the orbiting Mars Global Surveyor, and Mars Pathfinder, which landed July 4th 1997. Its rover, Sojourner, was a predecessor of the current rovers, Spirit and Opportunity, which are still working after two-and-a half years.Jul 20, 2021 · Article. In the summer of 1976, a pair of orbiter and lander spacecraft called Viking arrived at Mars. After first entering orbit, Viking 1’s lander touched down on the Red Planet on July 20. It became the first U.S. spacecraft to land on another planet. Its twin, Viking 2, arrived a few weeks later. The two orbiters and landers operated well ... Jul 18, 2016 · The event was organized by Rachel Tillman, executive director of the Viking Mars Missions Education and Preservation Project. As the daughter of Jim Tillman, a member of Viking’s meteorology team, Rachel literally grew up with the mission and has known most of its team members — if not personally, at least by …Model of Viking Lander. 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: …May 3, 2023 · In 2008, the Mars Phoenix lander discovered perchlorate ions in Mars soil. Two other missions, the Viking lander and the Curiosity rover, detected chlorinated hydrocarbons — possible byproducts of perchlorate reacting with Martian molecules in the high-temperature ovens of their mass spectrometers. This meant that perchlorate may …Both NASA Viking missions used a combination of orbiter and lander to explore Mars in unprecedented detail. This is the first photograph ever taken on the surface of Mars. It …Apr 2, 2019 · Viking launched in 1975 and landed on Mars in 1976. What was that like? I went out to [the Jet Propulsion Laboratory (JPL) in] California for the landing and half expected it to crash.Apr 7, 2013 ... Mariner Mars 1971, Viking, and the proposed Viking-based Phobos/Deimos missions were all in part a response to declared Soviet space plans. As ...InvestorPlace - Stock Market News, Stock Advice & Trading Tips Source: Shutterstock Viking Therapeutics (NASDAQ:VKTX) stock is taking off o... InvestorPlace - Stock Market N... 2023 – Viking 1 Launch: Aug. 20, 1975; Arrival: Jun. 19, 1976 Viking 2 Launch: Sept. 9, 1975; Arrival: Aug. 7, 1976 NASA’s Viking Project found a place in history when it became the first mission to land a spacecraft safely on the surface of another planet. Two identical spacecraft, each consisting of a lander and an orbiter, were built. 2023 – Viking 1 Launch: Aug. 20, 1975; Arrival: Jun. 19, 1976 Viking 2 Launch: Sept. 9, 1975; Arrival: Aug. 7, 1976 NASA’s Viking Project found a place in history when it became the first mission to land a spacecraft safely on the surface of another planet. Two identical spacecraft, each consisting of a lander and an orbiter, were built. .