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The categorisation of the past into discrete, quantified named blocks of time is called periodization. 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). In archaeology and … 展开
Pre-Columbian America
• Classic and Postclassic eras, Central America (200–1519)
• Early Intermediate, Middle Horizon, Late Intermediate, Late Horizon 展开Maritime Southeast Asia
• Srivijaya (Indonesia, 3rd – 14th centuries), Tarumanagara (358–723), Sailendra (8th and 9th centuries), Kingdom of Sunda (669–1579), Kingdom of Mataram (752–1045), Kediri (1045–1221), 展开• Geologic Time – Period prior to humans. 4.6 billion to 3 million years ago. (See "prehistoric periods" for more detail into this.) 展开
• Prehistory
• Ancient history (The Bronze and Iron Ages are not part of prehistory for all regions and civilizations … 展开• Ancient Australia, History of Indigenous Australians (between 65,000 and 50,000 BC – 1788 AD)
• Age of … 展开CC-BY-SA 许可证中的维基百科文本 Time - Wikipedia
Many ancient cultures, particularly in the East, had a cyclical view of time. In these traditions, time was often seen as a recurring pattern of ages or cycles, where events and phenomena repeated themselves in a predictable manner. One of the most famous examples of this concept is found in Hindu philosophy, where time is depicted as a wheel called the "Kalachakra" or "Wheel of Time.…
Wikipedia · CC-BY-SA 许可下的文字Geologic time scale - Wikipedia
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查看en.wikipedia.org的所有118行Phanerozoic • Cenozoic [note 4] • Quaterna… Phanerozoic • Cenozoic [note 4] • Quaterna… Phanerozoic • Cenozoic [note 4] • Neogene … Phanerozoic • Cenozoic [note 4] • Neogene …
Geologic time | Periods, Time Scale, & Facts | Britannica
网页2024年9月13日 · The geologic time scale is the “calendar” for events in Earth history. It subdivides all time into named units of abstract time called—in descending order of duration— eons, eras, periods, epochs, …
Time | Definition & Facts | Britannica
- Time appears to be more puzzling than space because it seems to flow or pass or else people s…
In the face of these difficulties, philosophers tend to divide into two sorts: the “process philosophers” and the “philosophers of the manifold.” Process philosophers—such as Alfred North Whitehead, an Anglo-American mathematician, scientist. and metaphysician who died in 1947… - Again, although process philosophers think of the future as somehow open or indeterminate, wh…
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- Time appears to be more puzzling than space because it seems to flow or pass or else people s…
A brief history of time: What is it and how do we define …
网页2022年1月6日 · Astronomers can use solar standard time, mean solar time, sidereal time, Universal Time, or Julian Date and its many modified forms. Astronomers describe three different types of twilight,...
Geologic Time Scale: Eons, Eras, and Periods - ThoughtCo
网页2020年2月28日 · The geologic time scale is a system used by scientists to describe Earth's history in terms of major geological or paleontological events (such as the formation of a …
Period (physics) - Simple English Wikipedia, the free encyclopedia
网页A time period (denoted by ' T' ' ) is the time taken for one complete cycle of vibration to pass a given point. [1] As the frequency of a wave increases, the time period of the wave …
Geologic time scale - Simple English Wikipedia, the free …
网页40 行 · The geological or deep time of Earth's past has been organized into various units. Boundaries on the time scale are usually marked by major geological or palaeontological …
Middle Ages - Wikipedia
网页In the history of Europe, the Middle Ages or medieval period (also spelt mediaeval or mediæval) lasted from approximately 500 to 1500 AD. It is the second of the three traditional divisions of Western history: antiquity, …
