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Mariner 9 successfully entered Mars orbit #OTD in 1971, beating the Soviet Mars 2 spacecraft which had an 11-day head start, to become the first spacecraft to orbit another planet! Taking over 7,000 pictures, Mariner 9 mapped 85% of Mars's surface. More: https://go.nasa.gov/3zZ4zTe #NASAhistory https://nitter.net/NASAhistory/status/1591838316030087173#m

In Depth | Mariner 09 – NASA Solar System Exploration

NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
NASA Solar System Exploration
#otd #NASAhistory
in reply to NASA

teledyn 𓂀
teledyn 𓂀
• •
I remember sending a letter to JPL, just some school kid from the midwest asking a few schoolkid questions.

I got back a very nice personal letter and a gloriously beautiful press kit!

I wish I still had that...

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