advance of the perihelion
31Einstein, Albert — born March 14, 1879, Ulm, Württemberg, Ger. died April 18, 1955, Princeton, N.J., U.S. German Swiss U.S. scientist. Born to a Jewish family in Germany, he grew up in Munich, and his family moved to Switzerland in 1894. He became a junior examiner …
32Criticism of relativity theory — Criticism of Albert Einstein s theory of relativity was mainly expressed in the early years after its publication on a scientific, pseudoscientific, philosophical, or ideological basis. Reasons for criticism were, for example, alternative… …
33Multilinear algebra — In mathematics, multilinear algebra extends the methods of linear algebra. Just as linear algebra is built on the concept of a vector and develops the theory of vector spaces, multilinear algebra builds on the concepts of p vectors and… …
34Arthur Thomas Doodson — Dr. Arthur Thomas Doodson (1890 1968) spent much of his life developing the analysis of tidal motions mainly in the oceans but also in lakes, and was the first to devise methods for shallow water as in estuaries. Tide height and current tables… …
35Le Verrier, Urbain-Jean-Joseph — ▪ French astronomer born March 11, 1811, Saint Lô, Fr. died Sept. 23, 1877, Paris French astronomer who predicted by mathematical means the existence of the planet Neptune. Appointed a teacher of astronomy at the École Polytechnique… …
36Dicke , Robert Henry — (1916–) American physicist Dicke, who was born in St. Louis, Missouri, graduated in 1939 from Princeton University and obtained his PhD in 1941 from the University of Rochester. He spent the war at the radiation laboratory of the Massachusetts… …
37Retrodiction — (or postdiction , though this should not be confused with the use of the term in criticisms of parapsychological research) is the act of making a prediction about the past. This is especially useful when one wishes to test a theory whose actual… …
38Hebrew calendar — The Hebrew calendar (הלוח העברי ha luach ha ivri), or Jewish calendar, is a lunisolar calendar used today predominantly for Jewish religious observances. It determines the dates for Jewish holidays and the appropriate public reading of Torah… …
39Exploration of Mercury — The exploration of Mercury has taken only a minor role in the space interests of the world. It is the least explored inner planet.JHU/APL (2006). [http://messenger.jhuapl.edu/ MESSENGER: MErcury Surface, Space ENvironment, GEochemistry, and… …
40Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
