Analysis of information sources in references of the Wikipedia article "مارينر 8" in Arabic language version.
Mariner 8 launched ... but failed early in flight and ended its mission by splashing into the Atlantic Ocean. ... [Mariner 9] was the first spacecraft to enter orbit around another world. ... [It] continues to orbit Mars to this day, sailing around the planet deaf and dumb in the cold darkness. ... [Mariners 1-10 were] a demonstration of what a bargain these early missions were. For a total cost of $554 millions, the inner solar system had been opened, and brilliantly.
