https://www.ancient-origins.net/news-science-space/ongoing-dispatches-first-man-made-object-leave-our-solar-system-00598
On September 5, 1977, NASA launched Voyager 1, a small 700 kg space probe with a special mission: to boldly go where
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https://www.slashgear.com/2053364/most-expensive-man-made-object-international-space-station-how-much/
Dec 20, 2025 - This impressive project involved cooperation between multiple countries, as well as a litany of spiralling construction costs and ongoing maintenance.
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