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Radio Astronomy Image courtesy of NRAO/AUI Image courtesy of NRAO/AUI

RadioAstronomy

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

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Page 1: RadioAstronomy

Radio Astronomy

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Page 2: RadioAstronomy

Image courtesy of NASA

Page 3: RadioAstronomy

M51

Whirlpool Galaxy

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Snapped by: Vallian

Page 4: RadioAstronomy

OpticalTelescope

Radio Telescope

CCD Array

NoiseCorrection

NoiseCorrection & Assembly

Radio Receiver

Page 5: RadioAstronomy

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Telescopes and Resolutions

Cygnus A Radio Source

Images courtesy of Paul Lowell

Images courtesy of Paul Lowell

Images courtesy of Paul Lowell

Images courtesy of Paul Lowell

Image courtesy of NRAO/AUI

Image courtesy of U. Manchester

Page 6: RadioAstronomy

Image courtesy of NRAO/AUI

Very Long Baseline Interferometry

Interferometry

Very Large Array Australia Telescope Compact Array

Signal from one telescope.

Signals from a pair of telescopes combined.

Image courtesy of ATCA

Page 7: RadioAstronomy

Image courtesy of Paul Lowell

Images courtesy of Paul Lowell

Distant thunderstorm

Sunset

Suspected USAF Flyovers

Image courtesy of Christian Wolff

Star Same star w/ nearby satellite

Image courtesy of NRAO/AUI

Noise

Page 8: RadioAstronomy

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

Page 9: RadioAstronomy

M17Swan Nebula

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Snapped by: BigDipper

Page 10: RadioAstronomy

AntennaGalaxies

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Snapped by: Astroman

Page 11: RadioAstronomy

M42Orion Nebula

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Snapped by: KathyC

Page 12: RadioAstronomy

Jupiter and Saturn

Betelgeuse

Image courtesy of NRAO/AUI

Inset courtesy of NRAO/AUI

Inset courtesy of NRAO/AUI

Snapped by: orion1958

Snapped by: JoshuaH

Snapped by: orion1958

Page 13: RadioAstronomy

M33

M81

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Image courtesy of NRAO/AUI

Snapped by: ralphd050702

Snapped by: selby

Page 14: RadioAstronomy

M84

M87

Snapped by: astroman

Image courtesy of NRAO/AUI

Snapped by: marleenInset courtesy of NRAO/AUI

Page 15: RadioAstronomy

Karl Jansky

Jansky = Jy =10-26 Watts / m2 / HertzImage courtesy of NRAO/AUI

Page 16: RadioAstronomy

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

Page 18: RadioAstronomy

Image courtesy of NASA