unobserved
91Dark matter — Not to be confused with antimatter, dark energy, dark fluid or dark flow. For other uses, see Dark Matter (disambiguation) …
92Drake equation — This article is about Frank Drake s equation. For the Tub Ring music album, see Drake Equation (album). The Drake equation (sometimes called the Green Bank equation or the Green Bank Formula) is an equation used to estimate the number of… …
93Force — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate …
94Friedrich Bessel — Infobox Scientist name = Friedrich Bessel |300px image width = 300px caption = Friedrich Wilhelm Bessel birth date = birth date|1784|7|22|df=y birth place = Minden, Minden Ravensberg, now Germany death date = death date and… …
95Fermi paradox — The Fermi paradox is the apparent contradiction between high estimates of the probability of the existence of extraterrestrial civilizations and the lack of evidence for, or contact with, such civilizations.The extreme age of the universe and its …
96James Heckman — James Joseph Heckman (born April 19, 1944) is a leading economist at the University of Chicago, Distinguished Chair of Microeconometric at University College, London, and University College, Dublin. He shared the Nobel Memorial Prize in Economics …
97Linear regression — Example of simple linear regression, which has one independent variable In statistics, linear regression is an approach to modeling the relationship between a scalar variable y and one or more explanatory variables denoted X. The case of one… …
98Mortimer Adler — Infobox Philosopher region = Western Philosophy era = 20th century philosophy color = #B0C4DE caption = Mortimer J. Adler name = Mortimer J. Adler birth = December 28, 1902 New York City, United States death = June 28, 2001 Palo Alto, United… …
99Military history — This article is about the field of study. For television channel of the same name, see Military History (TV channel). Warfare Military history Eras …
100Nucleon — For the Ford concept car, see Ford Nucleon. For the fictional power source in the Transformers universe, see Nucleon (Transformers). An atomic nucleus is a compact bundle of the two types of nucleons: Protons (red) and neutrons (blue). In this… …
