RadioAstronomy
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RadioAstronomy

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Slideshow for Slooh.com's Live show "The Big Picture" 3/20 - on Radio Astronomy.

Slideshow for Slooh.com's Live show "The Big Picture" 3/20 - on Radio Astronomy.

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RadioAstronomy Presentation Transcript

  • 1. Radio Astronomy Image courtesy of NRAO/AUI Image courtesy of NRAO/AUI
  • 2. Image courtesy of NASA
  • 3. Image courtesy of Snapped by: NRAO/AUI Vallian M51 Whirlpool Galaxy Image courtesy of NRAO/AUI
  • 4. Optical Radio Telescope Telescope CCD Array Radio Receiver Noise Noise Correction Correction & Assembly
  • 5. Telescopes and Resolutions Image courtesy of Images courtesy of NRAO/AUI Paul Lowell Image courtesy of Images courtesy of NRAO/AUI Paul Lowell Image courtesy of NRAO/AUI Images courtesy of Paul Lowell Image courtesy of NRAO/AUI Image courtesy of NRAO/AUI Image courtesy of U. Manchester Cygnus A Radio Source Images courtesy of Image courtesy of Paul Lowell NRAO/AUI
  • 6. Very Large Array Australia Telescope Compact Array Image courtesy Image courtesy of of ATCA NRAO/AUI Interferometry Very Long Baseline Interferometry Signal from one telescope. Signals from a pair of telescopes combined.
  • 7. Noise Suspected USAF Flyovers Distant thunderstorm Image courtesy of Paul Sunset Lowell Images courtesy of Paul Lowell Star Same star w/ nearby satellite Image courtesy of Christian Wolff Image courtesy of NRAO/AUI
  • 8. Radio Sources  Cold Molecular Clouds • Neutral Hydrogen • Complex molecules  Strong Magnetic Fields • Decelerating relativistic electrons • Quasars, Pulsars, Supernova Remnants, Active Galaxies Image courtesy of NRAO/AUI
  • 9. Snapped by: BigDipper Image courtesy of NRAO/AUI M17 Swan Nebula Image courtesy of NRAO/AUI
  • 10. Image courtesy of NRAO/AUI Snapped by: Astroman Antenna Galaxies Image courtesy of NRAO/AUI
  • 11. M42 Orion Nebula Snapped by: KathyC Image courtesy of NRAO/AUI Image courtesy of Image courtesy of NRAO/AUI NRAO/AUI
  • 12. Betelgeuse Inset courtesy of Snapped by: Snapped by: NRAO/AUI orion1958 orion1958 Jupiter and Saturn Inset courtesy of Snapped by: Image courtesy of NRAO/AUI JoshuaH NRAO/AUI
  • 13. M33 Snapped by: Image courtesy of Image courtesy of ralphd050702 NRAO/AUI NRAO/AUI M81 Image courtesy of Image courtesy of Snapped by: selby NRAO/AUI NRAO/AUI
  • 14. M84 Snapped by: astroman Image courtesy of NRAO/AUI M87 Snapped by: marleen Inset courtesy of NRAO/AUI
  • 15. Karl Jansky Image courtesy of NRAO/AUI Jansky = Jy =10-26 Watts / m2 / Hertz
  • 16. For More Info  Society of Amateur Radio Astronomers www.radio-astronomy.org  National Radio Astronomy Observatory www.nrao.edu  Pisgah Astronomical Research Institute www.pari.edu
  • 17. NGC 5128 (Centaurus A) Image courtesy of NRAO/AUI Snapped by: Plowell
  • 18. Image courtesy of NASA