observational place
71Centrifugal force (planar motion) — In classical mechanics, centrifugal force (from Latin centrum center and fugere to flee ) is one of the three so called inertial forces or fictitious forces that enter the equations of motion when Newton s laws are formulated in a non inertial… …
72Johannes Kepler — Infobox Scientist name = Johannes Kepler |175px image width = 175px caption = A 1610 portrait of Johannes Kepler by an unknown artist birth date = Birth date|1571|12|27 birth place = Weil der Stadt near Stuttgart, Germany residence = Baden… …
73Réanimation cardio-pulmonaire — Pour les articles homonymes, voir RCP. Pour les articles homonymes, voir RCR …
74Falsifiability — Are all swans white? Falsifiability or refutability of an assertion, hypothesis or theory is the logical possibility that it can be contradicted by an observation or the outcome of a physical experiment. That something is falsifiable does not… …
75Galaxy — This article is about the astronomical structure. For other uses, see Galaxy (disambiguation). NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 55,000 light years in diameter and approximately 60 million light… …
76Parallax — For other uses, see Parallax (disambiguation). A simplified illustration of the parallax of an object against a distant background due to a perspective shift. When viewed from Viewpoint A , the object appears to be in front of the blue square.… …
77Sirius — B redirects here. For other uses of Sirius, see Sirius (disambiguation). For other uses of Sirius B, see Sirius B (disambiguation). Sirius A / B …
78Sputnik 1 — Infobox Spacecraft Name = Sputnik 1 Спутник 1 Organization = Council of Ministers of the USSR Major Contractors = OKB 1, Soviet Ministry of Radiotechnical Industry Mission Type = Atmospheric studies Satellite Of = Earth Launch = October 4, 1957,… …
79Washington Irving — This article is about the writer. For the cricketer, see Irving Washington. Washington Irving Daguerreotype of Washington Irving Born April 3, 1783(1783 04 03) New York City …
80Mughal Empire — Mughals redirects here. For other uses, see Mughal (disambiguation). The Mughal Empire شاهان مغول Shāhān e Moġul …
