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One of the first recorded rocket launchers is the "wasp nest" fire arrow launcher produced by the Ming dynasty in 1380. In Europe rockets were also used in the same year at the Battle of Chioggia . The Joseon kingdom of Korea used a type of mobile multiple rocket launcher known as the "Munjong Hwacha " by 1451.
Paris reported the same high temperature of 20 °C (68 °F) while Warsaw and London had it around 18 °C (64 °F). In Asia, a record-high winter temperature was declared in Beijing on February 21 at 25.6 °C (78.1 °F). [120] On May 20, the May record 31.9 °C (89.4 °F) was reported north of the Arctic Circle at 67.6° North, 53° East. [121]
The Wheel of Time is a series of high fantasy novels by American author Robert Jordan, with Brandon Sanderson as a co-author for the final three installments. Originally planned as a six-book series with the publication of The Eye of the World in 1990, The Wheel of Time came to span 14 volumes, in addition to a prequel novel and three companion ...
Overview of climatic changes and their effects on the ocean. Regional effects are displayed in italics. [1] This NASA animation conveys Earth's oceanic processes as a driving force among Earth's interrelated systems. There are many effects of climate change on oceans. One of the main ones is an increase in ocean temperatures.
This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all of Earth's water is contained in its global ocean, covering 70.8% of Earth's crust. The remaining 29.2% of Earth's crust is land, most of which is located in the form of continental landmasses within Earth's land hemisphere.
Thermohaline circulation ( THC) is a part of the large-scale ocean circulation that is driven by global density gradients created by surface heat and freshwater fluxes. [1] [2] The adjective thermohaline derives from thermo- referring to temperature and -haline referring to salt content, factors which together determine the density of sea water.
The Weimar Republic, [ d] officially known as the German Reich, [ e] was a historical period of Germany from 9 November 1918 to 23 March 1933, during which it was a constitutional federal republic for the first time in history; hence it is also referred to, and unofficially proclaimed itself, as the German Republic.
The territorial evolution of the British Empire is considered to have begun with the foundation of the English colonial empire in the late 16th century. Since then, many territories around the world have been under the control of the United Kingdom or its predecessor states. When the Kingdom of Great Britain was formed in 1707 by the union of ...