H. Poincaré's scientific contributions

Citations

... In Chapter 7 of Science and Hypothesis (Poincaré, 1913), Poincaré studies the case of relative motion and in particular is considering the ontological status of the absolute orientation of a Keplerian system in absolute space. He is particularly concerned with the role of angular momentum effects in such a system if it is treated as isolated, where "thick clouds hide the stars from men who cannot observe them, and even are ignorant of their existence."[p.109] ...