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Assessment of a Plan for U.S. Participation in Euclid (2012) / Chapter Skim
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Appendix D: Glossary
Pages 39-41

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From page 39...
... Baryon acoustic oscillation (BAO) : Sound waves in the early universe generate fluctuations both in the cosmic microwave background spectrum and the matter (baryon)
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From page 40...
... strong gravitational lensing, where the gravitational potential is deep enough to produce multiple images of a background source, and (2) weak gravitational lensing, where the gravitational potential distorts the appearance of background sources but does not create multiple images.
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From page 41...
... William Herschel Space Observatory: A European Space Agency satellite launched in 2009 to study the formation of stars and galaxies at far-infrared and submillimeter wavelengths. XMM-Newton: The European Space Agency's X-ray Multi-Mirror mission, named after Sir Isaac Newton, is an orbiting X-ray observatory launched in 1999.
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Key Terms

  • space telescope
  • space agency
  • survey telescope
  • gravitational lensing
  • hubble space

  • decadal survey
  • gravitational potential
  • dark energy
  • space infrared
  • spitzer space

  • cosmic microwave
  • agency satellite
  • council astronomy
  • astrophysics decadal
  • microwave background

  • astronomical objects
  • wide field
  • telescope facility
  • weak gravitational
  • infrared telescope

  • multiple images
  • satellite launched
  • space research
  • space observatory
  • infrared space

  • space observatories
  • space mission
  • herschel space
  • webb space
  • study dark


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