This text reviews the changes brought about in the field of astronomy by the release of the Hipparcos catalogue. Chapters by leading experts detail the various approaches of one of the most challenging cosmological issues: the scale of the universe.
This text reviews the changes brought about in the field of astronomy by the release of the Hipparcos catalogue. Chapters by leading experts detail th...
In May 1976, when one of us was temporarily associated with Stras bourg Observatory for lecturing on distance determination methods (Heck 1978), Pierre Lacroute - then in his last year as Director there - mod estly requested comments on a project he had been cherishing for quite a few years, and which he had been presenting to visitors and colleagues: an astrometric satellite. His persuasiveness and persistence won support from the scientific com munity, from the French space agency CNES and from the European Space Agency (ESA): the Hipparcos satellite was born. It was fitting that Lacroute...
In May 1976, when one of us was temporarily associated with Stras bourg Observatory for lecturing on distance determination methods (Heck 1978), Pierr...
