Centre de Données astronomiques de Strasbourg – data center at the hub of the international cooperation dedicated to the collection and worldwide distribution of astronomical data and related information.

European Southern Observatory (ESO) – the pre-eminent intergovernmental science and technology organisation in astronomy. It carries out an ambitious programme focused on the design, construction and operation of powerful ground-based observing facilities for astronomy to enable important scientific discoveries.

Illustris Project – set of large-scale cosmological simulations tracking the expansion of the universe, the gravitational pull of matter onto itself, the motion or “hydrodynamics” of cosmic gas, as well as the formation of stars and black holes.

In-The-Sky.org – online repository of information about what’s visible in the night sky, automatically tailored to any geographic location on Earth.
Home of The Universe in 3D simulation

International Centre for Radio Astronomy Research (ICRAR) – a collaborative centre that is international in scope and that achieves research excellence in astronomical science and engineering.

International Dark-Sky Association – non-profit organization fighting to preserve and protect the nighttime environment and our heritage of dark skies through environmentally responsible outdoor lighting.

Kerry International Dark-Sky Reserve – approx. 700 sq km of dark un-light-polluted skies protected by the Kerry Mountains and Hills on one side and the Atlantic ocean on the other.

National Space Society – independent, educational, grassroots, non-profit organization dedicated to the creation of a spacefaring civilization.

Space.com – website celebrating space exploration, innovation, and discovery with daily news and analysis of space science discoveries, spaceflight, and the technology behind it.

SpaceFlight Insider – website reporting on events within the aerospace industry, providing an “insider’s” view of all aspects of space exploration.