he studies astronomy and planets particularly
101Andromeda Galaxy — The Andromeda Galax …
102History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …
103History of physics — The modern discipline of physics emerged in the 17th century following in traditions of inquiry established by Galileo Galilei, René Descartes, Isaac Newton, and other natural philosophers.Fact|date=September 2008 Prior to this time, a unified… …
104Halley's Comet — For the video game, see Halley s Comet (video game). 1P/Halley (Halley s Comet) Halley s Comet on March 8, 1986 Discovery …
105Al-Kindi — Infobox Philosopher region = Arab scholar era = Islamic Golden Age color = #B0C4DE image caption = Syrian postage stamp depicting al Kindi name = Al Kindi birth = c. 801 death = c. 873 school tradition = Early Islamic philosophy, Mu tazili,… …
106geometry — /jee om i tree/, n. 1. the branch of mathematics that deals with the deduction of the properties, measurement, and relationships of points, lines, angles, and figures in space from their defining conditions by means of certain assumed properties… …
107IBN EZRA, ABRAHAM BEN MEIR — (1089–1164), one of the most important Jewish Bible exegetes; also a poet, composer of piyyutim , grammarian, translator, philosopher, astronomer, and astrologer. Exceptionally erudite, he was among the last creative geniuses of the Spanish… …
108Mesopotamia — For other uses, see Mesopotamia (disambiguation). Ancient Mesopotamia Euphrates · …
109Ptolemy — For others with Ptolemy... names, and history of those names, see Ptolemy (name). Ptolemy An early B …
110Marshall Space Flight Center — George C. Marshall Space Flight Center Aerial view of the test area at MSFC …
