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2. Viking program - Wikipedia

   en.wikipedia.org/wiki/Viking_program

   The Viking 1 lander touched down on the surface of Mars on July 20, 1976, more than two weeks before Viking 2 ' s arrival in orbit. Viking 2 then successfully soft-landed on September 3. The orbiters continued imaging and performing other scientific operations from orbit while the landers deployed instruments on the surface.

3. Remembering NASA's Viking 1 and the first images from Mars - AOL

   www.aol.com/news/2014-08-20-viking-1-and-the...

   By Eric Sandler On August 20, 1975 -- 39 years ago today -- NASA launched the first of two spacecraft as a part of their new Viking program and the images they captured back in the '70s and '80s ...

4. Viking 1 - Wikipedia

   en.wikipedia.org/wiki/Viking_1

   The Viking 1 Orbiter was inserted into Mars orbit on June 19, 1976, [8] and trimmed to a 1,513 x 33,000 km, 24.66 h site certification orbit on June 21. Landing on Mars was planned for July 4, 1976, the United States Bicentennial, but imaging of the primary landing site showed it was too rough for a safe landing. [9]

5. Viking 2 - Wikipedia

   en.wikipedia.org/wiki/Viking_2

   Following launch using a Titan/Centaur launch vehicle and a 333-day cruise to Mars, the Viking 2 Orbiter began returning global images of Mars prior to orbit insertion. The orbiter was inserted into a 1,500 x 33,000 km, 24.6 h Mars orbit on August 7, 1976, and trimmed to a 27.3 h site certification orbit with a periapsis of 1,499 km and an ...

6. First-of-its-kind Mars livestream by ESA spacecraft ... - AOL

   www.aol.com/news/first-kind-mars-livestream-esa...

   A European spacecraft around Mars sent its first livestream from the red planet to Earth on Friday to mark the 20th anniversary of its launch, but rain in Spain interfered at times. It took nearly ...

7. Viking lander biological experiments - Wikipedia

   en.wikipedia.org/wiki/Viking_lander_biological...

   Schematic of the Viking Lander Biological Experiment System. In 1976 two identical Viking program landers each carried four types of biological experiments to the surface of Mars. The first successful Mars landers, Viking 1 and Viking 2, then carried out experiments to look for biosignatures of microbial life on Mars. The landers each used a ...

8. Gilbert Levin - Wikipedia

   en.wikipedia.org/wiki/Gilbert_Levin

   In 1997, Levin published his conclusion that a 1976 Viking lander had discovered living microorganisms on Mars. [1] [3] He is noted for still claiming that his experiment on board the 1976 Viking Mars landers to detect microscopic life on Mars rendered a true positive result. On April 12, 2012, an international team including Levin reported ...

9. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!