galaxies – Page 2 – National Radio Astronomy Observatory

Which Molecules Are Most Abundant in the Universe After Molecular Hydrogen?

I believe that the NASA Extragalactic Database summary of the abundances of molecules in galaxies is a good reference…

Our Solar System inhabits a collection of other stars and planets called the Milky Way galaxy which are all…

Sky and Telescope provides an online interactive sky chart that I think can provide the information you are looking…

The Andromeda and Milky Way galaxies are moving toward each other due to mutual gravitational attraction. This mutual gravity…

In fact, the magnification due to a gravitational lens is directly analogous to the magnification of objects that one…

I believe that you are referring to the double quasars recently observed with the Hubble Space Telescope. One way…

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.