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A planetary or a Type I civilization is a civilization that would be global, likely having a tolerant worldwide society that functions through science and reason, and is capable of consuming all of the incoming energy from its neighboring star, or about 10 17 watts for Earth. A planetary civilization or global civilization is a civilization of ...
The first eon in Earth's history, the Hadean, begins with the Earth's formation and is followed by the Archean eon at 3.8 Ga. [2]: 145 The oldest rocks found on Earth date to about 4.0 Ga, and the oldest detrital zircon crystals in rocks to about 4.4 Ga, [34] [35] [36] soon after the formation of the Earth's crust and the Earth itself.
Earth was first photographed from a satellite by Explorer 6 in 1959. [32] Yuri Gagarin became the first human to view Earth from space in 1961. The crew of the Apollo 8 was the first to view an Earth-rise from lunar orbit in 1968, and astronaut William Anders's photograph of it, Earthrise, became iconic.
The 8th millennium BC spanned the years 8000 BC to 7001 BC (c. 10 ka to c. 9 ka). In chronological terms, it is the second full millennium of the current Holocene epoch and is entirely within the Pre-Pottery Neolithic B (PPNB) phase of the Early Neolithic.
The Babylonian Map of the World (also Imago Mundi or Mappa mundi) is a Babylonian clay tablet with a schematic world map and two inscriptions written in the Akkadian language.
Global civilization (17 C, 9 P) Pages in category "Civilizations" The following 14 pages are in this category, out of 14 total. ... This page was last edited on 16 ...
The date used as the end of the ancient era is arbitrary. The transition period from Classical Antiquity to the Early Middle Ages is known as Late Antiquity.Late Antiquity is a periodization used by historians to describe the transitional centuries from Classical Antiquity to the Middle Ages, in both mainland Europe and the Mediterranean world: generally from the end of the Roman Empire's ...
Each civilization created its own writing. Civilizations in the Indus, Yellow and Mesopotamia river basins all used pottery wheels to make pottery . Egypt and Mesopotamia both calculated pi earlier, and China discovered the Pythagorean theorem earlier (or its practical application), while India invented Indian numerals ( Arabic numerals ).