telescopes – Page 3 – National Radio Astronomy Observatory

What is the Orientation of the HST Optical Axis Relative to its Direction of Motion?

It is my understanding that for normal operations HST can point in any direction which properly allows for illumination…

I believe that this question has been answered several times in the past. See “How Does a Radio Interferometer…

This question has actually come-up several times over the years. Perhaps the answer to How to Make Images with…

By combining the signals from multiple telescopes radio astronomers are able to produce images or “pictures”, such as the…

I guess it depends upon how big your back yard is! There is a nice Bachelor’s degree thesis from…

All radio astronomical measurements collect electromagnetic signals and record them. Note that the signals measured are not sound waves,…

The National Radio Astronomy Observatory is a facility of the U.S. National Science Foundation operated under cooperative agreement by Associated Universities, Inc.
	Founded in 1956, the NRAO provides state-of-the-art radio telescope facilities for use by the international scientific community. NRAO telescopes are open to all astronomers regardless of institutional or national affiliation. Observing time on NRAO telescopes is available on a competitive basis to qualified scientists after evaluation of research proposals on the basis of scientific merit, the capability of the instruments to do the work, and the availability of the telescope during the requested time. NRAO also provides both formal and informal programs in education and public outreach for teachers, students, the general public, and the media.
	The U.S. National Science Foundation (NSF) is an independent federal agency created by Congress in 1950 "to promote the progress of science; to advance the national health, prosperity, and welfare; to secure the national defense..."
	AUI collaborates with the scientific community and research sponsors to plan, build, and operate cutting-edge facilities. We cultivate excellence, deliver value, enhance education, and engage the public.