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Thursday, November 8, 2018

Mariner 9: First Spacecraft to Orbit Mars

Mariner 9 was the first spacecraft to orbit another planet. It arrived at Mars in 1971 and subsequently our perceptions of the Red Planet.

from Space.com https://ift.tt/2wMQiXa
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How Fake Reviews Hurt Us and Amazon

By BY SHIRA OVIDE from NYT Technology https://ift.tt/2ISExt7