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Hipparcos
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Introduction References & Edit History Related Topics
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Hipparcos satellite
Quizzes
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United States Presidential Election of 2012. Mitt Romney. Official portrait of President Barack Obama in the Oval Office, Dec. 6, 2012 after his reelection Nov. 6, 2012. Official portrait Obama
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Andrew Jackson delivering a speech while on his way to Washington, D.C., for his inauguration in 1829. From Harper's Weekly, 1881.
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The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
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Hipparcos: References & Edit History

Article Contributors

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Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Invalidated site: National Aeronautics and Space Administration - Hipparcos. Mar 07, 2019
Add new Web site: Hyperphysics - Hipparcos. Jul 22, 2011
Add new Web site: European Space Agency - Science and Technology - Hipparcos. Jul 22, 2011
Add new Web site: Quatr.us - Planet. Jul 22, 2011
Add new Web site: National Aeronautics and Space Administration - Hipparcos. Jul 22, 2011
New article added. Nov 19, 2007
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