
Ajit Pai @AjitPai
OTD in 1971, @NASA's Mariner 9 spacecraft reached Mars, becoming first man-made object to orbit another planet. It eventually sent >7K images, including Mars' largest volcano, a massive canyon range, and moons Phobos and Deimos. @NASAJPL cc @chrismattmann https://t.co/381XRtPEV7 https://t.co/YSiWppOhK5 — PolitiTweet.org