chronological time scale
11Triassic Period — Interval of geologic time, с 248–206 million years ago, that marks the beginning of the Mesozoic Era. Many new vertebrates emerged during the Triassic, heralding the major changes that were to occur in both terrestrial and marine life forms… …
12geochronology — geochronologic /jee oh kron l oj ik/, geochronological, adj. geochronologist, n. /jee oh kreuh nol euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890 95; GEO + CHRONOLOGY] * * *… …
13applied logic — Introduction the study of the practical art of right reasoning. The formalism (formal logic) and theoretical results of pure logic can be clothed with meanings derived from a variety of sources within philosophy as well as from other… …
14Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
15eclipse — eclipser, n. /i klips /, n., v., eclipsed, eclipsing. n. 1. Astron. a. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention …
16Physical cosmology — This article is about the physics subject. For other uses, see Cosmology. Physical cosmology …
17Chronology — For other uses, see Chronology (disambiguation). For specific lists of events, see Timeline. Joseph Scaliger s De emendatione temporum (1583) began the modern science of chronology[1] Chronology (from Latin chronologia, from …
18Lunar geologic timescale — The lunar geologic timescale (or selenologic timescale) divides the history of Earth s moon into five generally recognized geologic periods: the Copernican, Eratosthenian, Imbrian (upper and lower), Nectarian, and Pre Nectarian. The boundaries of …
19New Chronology (Fomenko) — Not to be confused with New Chronology (Rohl). Cover of History: Fiction or Science? Chronology volumes 1,2,3 The New Chronology is a fringe theory in history, which argues that the conventional chronology is fundamentally flawed, that events… …
20ISO 8601 — Data elements and interchange formats – Information interchange – Representation of dates and times is an international standard covering the exchange of date and time related data. It was issued by the International Organization for… …
