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GAIA Space Telescope
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GAIA Space Telescope


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  • Author Retired_for_now
  • Uploaded 03-02-2014, 06:19 PM
  • Last Updated 04-22-2015, 01:09 PM
  • Category Unmanned
  • Total Downloads 75


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  • 5970-GAIA.pdf 826.3 KB


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1:50 scale, very simple model to capture the basic dimensions and a more detailed 1:25 scale version. I have included a flat, internal piece to show the optical bench in the small model. More detail included in the larger one.


Gaia is an unmanned space observatory of the European Space Agency (ESA) designed for astrometry. The mission aims to compile a 3D space catalogue of approximately 1 billion astronomical objects (approximately 1% of the Milky Way population). Successor to the Hipparcos mission, it is part of ESA's Horizon 2000 Plus long-term scientific program. Gaia will monitor each of its target stars about 70 times over a period of five years.
Gaia will create a precise three-dimensional map of stars throughout the Milky Way and map their motions, which encode the origin and subsequent evolution of the Milky Way. The spectrophotometric measurements will provide the detailed physical properties of each star observed, characterising their luminosity, effective temperature, gravity and elemental composition. This massive stellar census will provide the basic observational data to tackle a wide range of important questions related to the origin, structure and evolutionary history of our galaxy. Large numbers of quasars, galaxies, extrasolar planets and Solar System bodies will be measured at the same time.
Gaia was launched on 19 December 2013 by Arianespace using a Soyuz ST-B/Fregat-MT rocket flying from Kourou in French Guiana. The spacecraft will be operated in a Lissajous orbit around the Sun–Earth L2 Lagrangian point.
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