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The inhabited part of his world was circular, disk-shaped, and presumably located on the upper surface of the cylinder. [17]: 24 For constructing his world map, Anaximander is considered by many to be the first mapmaker. [22]: 23 Little is known about the map, which has not survived.
The natural history of Earth concerns the development of planet Earth from its formation to the present day. [ 1 ] [ 2 ] Nearly all branches of natural science have contributed to understanding of the main events of Earth's past, characterized by constant geological change and biological evolution .
The Ca-Al-rich inclusions, which formed 2 million years before the chondrules, [1] are a key signature of a supernova explosion. c. 4,567 ±3 Ma – Rapid collapse of hydrogen molecular cloud , forming a third-generation Population I star , the Sun , in a region of the Galactic Habitable Zone (GHZ), about 25,000 light years from the center of ...
Graph of world population over the past 12,000 years . As a general rule, the confidence of estimates on historical world population decreases for the more distant past. Robust population data exist only for the last two or three centuries. Until the late 18th century, few governments had ever performed an accurate census.
The world record for single solve is 3.41 seconds, set by Ryan Pilat of the United States at Wichita Family ArtVenture 2024. [ 4 ] The world record average of 5 solves (excluding fastest and slowest) is 4.81 seconds, set by Dylan Baumbach of the United States at Cube More in Ardmore 2024, with times of (4.19) 4.40 5.13 4.89 and (DNF) seconds.
The remainder was the world-ocean known as Panthalassa ("all the sea"). All the deep-ocean sediments laid down during the Triassic have disappeared through subduction of oceanic plates; thus, very little is known of the Triassic open ocean. The supercontinent Pangaea was rifting during the Triassic—especially late in the period—but had not ...
1.1.1.1, a Domain Name System service; 1.1-inch/75-caliber gun; Falcon 9 v1.1 orbital launch vehicle; Trabant 1.1, an automobile; A one-day Category 1 race in the UCI race classifications system; A software version number, including: HTTP 1.1, a version of the Hypertext Transfer Protocol first published in 1997
The English name Switzerland is a portmanteau of Switzer, an obsolete term for a Swiss person which was in use during the 16th to 19th centuries, and land. [28] The English adjective Swiss is a loanword from French Suisse, also in use since the 16th century.