perturbing effect
31Pierre-Simon Laplace — Laplace redirects here. For the city in Louisiana, see LaPlace, Louisiana. For the joint NASA ESA space mission, see Europa Jupiter System Mission. Pierre Simon, marquis de Laplace Pierre Simon Laplace (1749–1827). Posthumous portrait …
32comet — cometary /kom i ter ee/, cometic /keuh met ik/, cometical, adj. cometlike, adj. /kom it/, n. Astron. a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and… …
33Pluto — This article is about the dwarf planet. For other uses, see Pluto (disambiguation). Pluto   …
34Ion Creangă — Creangă redirects here. For other uses, see Creangă (surname). Ion Creangă Nică al lui Ştefan a Petrei Ion Torcălău Ioan Ştefănescu Born 1837 or 1839 Târgu Neamţ Died …
35virus — viruslike, adj. /vuy reuhs/, n., pl. viruses. 1. an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA …
36Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …
37GREECE — (Heb. יָוָן, Yavan), country in S.E. Europe. SECOND TEMPLE PERIOD (TO 330 C.E.) Although the earliest known Jews on the Greek mainland are to be found only from the third century B.C.E., it is highly probable that Jews traveled or were forcibly… …
38Electric field screening — Screening is the damping of electric fields caused by the presence of mobile charge carriers. It is an important part of the behavior of charge carrying fluids, such as ionized gases (classical plasmas) and conduction electrons in semiconductors… …
39Electric-field screening — See also: Electromagnetic shielding Screening is the damping of electric fields caused by the presence of mobile charge carriers. It is an important part of the behavior of charge carrying fluids, such as ionized gases (classical plasmas) and… …
40Oort cloud — An artist s rendering of the Oort cloud and the Kuiper belt (inset). Sizes of individual objects have been exaggerated for visibility …
