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Fichier:Smithsonian Institution Archives - 2002-32252.jpg

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Looking down on the Baker-Nunn Camera, one of the world's most sensitive devices for observing artificial satellites. A network of twelve tracking stations equipped with such cameras is maintained by the Smithsonian Astrophysical Observatory for the observation of both natural and artificial objects in space. The stations are located in Argentina, Australia, Curacao, India, Iran, Japan, Peru, South Africa, Spain, and at three sites in the United States

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Date
Source Smithsonian Institution Archives
Auteur Smithsonian Institution Archives

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This image is from the Smithsonian Institution Archives (SIA). SIA has determined that there are no known copyright restrictions because the SIA believes, to the best of its ability based on available information, that the content is unlikely to be protected by copyright interests and, in all likelihood, is in the public domain. This may mean:


  1. The copyright is in the public domain because it has expired;
  2. The copyright was injected into the public domain for other reasons, such as failure to adhere to required formalities or conditions;
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However, restrictions may still exist. The SIA makes its content available for personal and non-commercial educational uses consistent with the principles of fair use. If you decide to use the content for commercial or other purposes without undertaking to clear all rights, you will be responsible if someone else owns the rights and the owner objects to your use. More information can be found at http://siarchives.si.edu/services/rights-and-reproduction#noknown

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This file by Smithsonian Institution Archives was uploaded as part of the Share Your Knowledge project developed within WikiAfrica. WikiAfrica

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