Research observatory for astronomy and astrophysics. Founded in 1839.

Collaboration between Harvard College Observatory and the Smithsonian Astrophysical Observatory

One of the main centers for exploration of astrophysics in Oslo, Norway.

Research projects: observations in the microwave, infrared, optical, X-ray and gamma ray energy bands, and observations of cosmic rays.

Collaboration between the Laboratory for High-Energy Astrophysics and the University of Maryland - Baltimore County.

Scientists at NASA's Goddard Space Flight Center laboratory for high-energy astrophysics study some of the most extreme phenomena in the Universe.

Prominent research institution in astrophysics.

Mullard Space Science Laboratory of the University College London. Research and postgraduate teaching in astrophysics, solar physics, plasma physics, climate physics, and detector physics.

A joint venture of various South African universities, open to students from all over Africa.

Research into mathematical modelling and numerical simulation of stars and stellar atmospheres, the solar system, our Galaxy and other galaxies and the structure of the universe.

Students and research information.

Department of Space Physics and Astronomy.

Astrophysical research facility located in Cambridge, Massachusetts.

The astrophysics web site at the physics department of UCSB.

Research center in Denmark on the structure of space, galaxies, and stars.

A wide-ranging program of research, including the Mullard Radio Astronomy Observatory, situated at Lord's Bridge. Group members, research interests, publications, surveys and catalogues, other resources.

Department of Applied Mathematics and Theoretical Physics. Research, members, seminars, publications.

Institute of Astronomy. The research of the group focuses on active galaxies, clusters of galaxies, elliptical galaxies, and the X-ray background.