A plethora of photos of Earth take from space show the atmosphere as a relatively thin layer surrounding the Earth. See:
https://www.google.com/images?client=safari&rls=en&q=Photo+from+space+showing+earth’+atmosphere&oe=UTF-8&gws_rd=ssl&hl=en&sa=X&oi=image_result_group&ei=2CtNVKOyDISgyATPmoKYBw&ved=0CBQQsAQ
Weather satellites, communication satellites, the Hubble Space telescope, the Space Station, etc. are all positioned above the atmosphere, albeit that the Earth’s atmosphere does not have a distinct edge; it just becomes thinner and thinner until it is basically “outer space.”
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