This panorama of the Milky Way in the constellations of Scutum and Aquila combines observations from the NRAO Very Large Array and the Spitzer Space Telescope and illustrates the dynamic interplay between the birth and death of massive stars. (Credit: D. Helfand, R. becker, R. White; NRAO/AUI)
On-line, downloadable, and printable resources to further your enjoyment and understanding of radio astronomy, science, and technology.
![]() CARMA | Related SitesLinks to professional astronomical observatories, amateur astronomers involved with radio astronomy, and other cool web sites. |
![]() Whirlpool Galaxy, Messier 51 poster | Brochures & PostersDownload or easily order hardcopies of our free brochure about the NRAO and the science and technology of radio astronomy. We publish about 4 new, full-color, large-format posters each year that showcase outstanding astronomical images produced by scientists from around the world. Download the electronic poster files or request free hardcopies for your home, office, or classroom. |
![]() | PresentationsDownload presentations about radio astronomy, the NRAO, imaging the radio Universe, the technology that makes radio astronomy possible, life as an astronomer, and much more. File formats include those used most commonly by Microsoft PowerPoint (*.ppt) and Adobe Acrobat Reader (*.pdf). |
![]() Free-free emission of radio waves | Essential Radio AstronomyA complete one-semester course for astronomy graduate students and advanced undergraduates with backgrounds in astronomy, physics, or engineering. Available on-line courtesy of the authors, NRAO scientists J.J. Condon and S.M. Ransom. |
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