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  2. List of time periods - Wikipedia

    en.wikipedia.org/wiki/List_of_time_periods

    The biggest Terekeme of the past into discrete, quantified named blocks of time is called periodization. [1] This is a list of such named time periods as defined in various fields of study. These can be divided broadly into prehistorical periods and historical periods (when written records began to be kept).

  3. Decadal survey - Wikipedia

    en.wikipedia.org/wiki/Decadal_survey

    A decadal survey is a 10-year plan outlining scientific missions and goals created by the United States National Academies. It is a summary of input from scientists in the United States and beyond. Examples include: Astronomy and Astrophysics Decadal Survey; Solar and Space Physics Decadal Survey; Planetary Science Decadal Survey

  4. Pacific decadal oscillation - Wikipedia

    en.wikipedia.org/wiki/Pacific_decadal_oscillation

    The response time scale is set by the Rossby waves speed, the location of the wind forcing and the basin width, at the latitude of the Kuroshio Extension c is 2.5 cm s −1 and the dynamic gyre adjustment timescale is ~(5)10 years if the Rossby wave was initiated in the (central)eastern Pacific Ocean.

  5. List of decades, centuries, and millennia - Wikipedia

    en.wikipedia.org/wiki/List_of_decades,_centuries...

    Timelines of world history; List of timelines; Chronology; See calendar and list of calendars for other groupings of years. See history, history by period, and periodization for different organizations of historical events. For earlier time periods, see Timeline of the Big Bang, Geologic time scale, Timeline of evolution, and Logarithmic timeline

  6. Geologic time scale - Wikipedia

    en.wikipedia.org/wiki/Geologic_time_scale

    The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to time) and geochronology (a scientific branch of geology that aims to determine the age of rocks).

  7. Time scale - Wikipedia

    en.wikipedia.org/wiki/Time_scale

    Time scale may refer to: Time standard, a specification of either the rate at which time passes, points in time, or both; A duration or quantity of time: Orders of magnitude (time) as a power of 10 in seconds; A specific unit of time; Geological time scale, a scale that divides up the history of Earth into scientifically meaningful periods

  8. Decade (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Decade_(disambiguation)

    Decade (log scale), a factor of 10 difference between two numbers; Cosmological decade, a division of the lifetime of the cosmos; Decade, in the French Republican calendar, a period of 10 days; Decade, in the Braille writing system, a grouping of 10 characters; Decade, any of the repeated sequences of a rosary

  9. Decade - Wikipedia

    en.wikipedia.org/wiki/Decade

    Any period of ten years is a "decade". [1] For example, the statement that "during his last decade, Mozart explored chromatic harmony to a degree rare at the time" refers to the last 10 years of Wolfgang Amadeus Mozart's life without regard to which calendar years are encompassed.