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A plot of the Earth projected onto a rectangular region. The landmasses are shown as black outlines on a white background. Several offset curves are superimposed on the map and labeled with dates and times, indicating the overhead position of Sputnik through the course of subsequent orbits.

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A plot of the Earth projected onto a rectangular region. The landmasses are shown as black outlines on a white background. Several offset curves are superimposed on the map and labeled with dates and times, indicating the overhead position of Sputnik through the course of subsequent orbits.
https://files.mastodon.social/media_attachments/files/111/177/974/400/626/117/original/7589dc0df099f30b.png

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Robert McNees (mcnees@mastodon.social)'s status on Wednesday, 04-Oct-2023 17:41:07 UTC Robert McNees
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Eleven days later, on the 15th, scientists at the Naval Research Laboratory produced this plot showing where Sputnik 1 would pass over the course of its next few orbits.
This was the first example of scientists tracking and then forecasting the position of a human-made object in space.
Image: Naval Research Laboratory

In conversation about a year ago from mastodon.social permalink