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From The Hindu Archives, July 21, 1976: Viking craft lands on Mars, sends back clear pictures
From The Hindu Archives, July 21, 1976: The American unmanned Viking spaceprobe lander touched its three slender aluminium legs down on Mars to-day after an 11-month 800 million-kilometre voyage from earth, and sent back two “unbelievably” clear photographs showing hills and small rocks.
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upi.com
On This Day, July 20: Viking 1 is first spacecraft to land on Mars - UPI.com
On July 20, 1976, the Viking 1 lander, an unmanned U.S. planetary probe, became the first spacecraft to successfully land on the surface of Mars.
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nos.nl
50 jaar na landing Viking-missie: nog steeds kans op leven op Mars
De eerste landers die op Mars naar microbisch leven zochten in het Marszand vonden niets, maar inmiddels wordt er getwijfeld aan de conclusies van toen, zegt planeetwetenschapper…
