On the occasion ofthe second edition ofthe book, it appeared necessary to up- date information that was already seven years old. Astrometry has recorded tremendous advances during these last years, so that, in addition to cor- recting identified errors and misprints, there are many major modifications. Among the events that forced me to modify significantly the contents of the book, the most important are the release of the Hipparcos and Tycho cata- logues, the introduction of CCD astrometry, the decision of the International Astronomical Union to adopt a new celestial reference frame, the...
On the occasion ofthe second edition ofthe book, it appeared necessary to up- date information that was already seven years old. Astrometry has record...
decision and investigative process of the scientist, they can also wri te the paragra}ils of scientific resul ts. Once a canputer research activity progresses from intuitive guesses to a systematic study, the canputer program can free the scientist to pursue new original ideas. ' his concept is illustrated in the ptper by Hut. Sussnan says "Knowledge" is knowing what not to canpute. His main message is that we must change from trying to maximize the efficiency of the canputer to maximizing the effectiveness of the scientist. The canputer is relatively cheap, it is the trained scientist who is...
decision and investigative process of the scientist, they can also wri te the paragra}ils of scientific resul ts. Once a canputer research activity pr...
