The Voyager mission was designed to take advantage of a rare geometric arrangement of the outer planets in the late 1970s and the 1980s which allowed for a four-planet tour for a minimum of propellant and trip time. via NASA https://ift.tt/8KiVrxa
Host blog for the YouTube Channel "SeYeUK Channel" This blog is for more than just videos, its also for other things I encounter in my life.
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