on november 16 th science channel showed this image on facebook with this description: TODAY IN SCIENCE HISTORY: Skylab 4 launched on Nov. 16, 1973. The astronauts performed countless scientific experiments over the course of the 84-day mission. the image: [link to sphotos-b.xx.fbcdn.net]
but if you look into the image theirs two shadows one of them not a satellite. what do you think?