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The lower border of the volume of ejecta jumps by a factor of one hundred, from 10,000 to 1,000,000 m 3 (350,000 to 35,310,000 cu ft), while the factor is ten between all higher indices. In the following table, the frequency of each VEI indicates the approximate frequency of new eruptions of that VEI or higher.
An Ivory Tower at St. John's College, Cambridge. The first modern usage of "ivory tower" in the familiar sense of an unworldly dreamer can be found in a poem of 1837, "Pensées d'Août, à M. Villemain", by Charles Augustin Sainte-Beuve, a French literary critic and author, who used the term "tour d'ivoire" for the poetical attitude of Alfred de Vigny as contrasted with the more socially ...
Lithobraking is a whimsical "crash landing" euphemism used by spacecraft engineers to refer to a spacecraft impacting the surface of a planet or moon. [1] [2] [3] The word was coined by analogy with "aerobraking", slowing a spacecraft by intersecting the atmosphere, with "lithos" (Ancient Greek: λίθος [líthos], "rock") [4] substituted to indicate the spacecraft is intersecting the planet ...
The DK-10, also known as the Sky Dragon 50 or the Tianlong-50, is a surface-to-air missile system developed by Chinese arms manufacturer Norinco.It was designed to be a competitor to the HQ-16 (LY-80), but has not been adopted by the People's Liberation Army for service as the HQ-16 has been preferred.
Sky Quality Meter model SQM-L. A sky quality meter (SQM) is an instrument used to measure the luminance of the night sky, more specifically the Night Sky Brightness (NSB) at the zenith, with a bandwidth ranging from 390 nm to 600 nm. [1]
The current breaking capacity corresponds to a certain voltage, so an electrical apparatus may have more than one breaking capacity current, according to the actual operating voltage. Breaking current may be stated in terms of the total current or just in terms of the alternating-current (symmetrical) component.
Breakdown voltage is a characteristic of an insulator that defines the maximum voltage difference that can be applied across the material before the insulator conducts. In solid insulating materials, this usually [citation needed] creates a weakened path within the material by creating permanent molecular or physical changes by the sudden current.
Hypixel Network, [3] simply known as Hypixel, is a Minecraft server that hosts minigames. It was released on April 13, 2013 by Simon "hypixel" Collins-Laflamme and Philippe Touchette, and is managed and run by Hypixel Inc. [4] Hypixel is only available on the Java Edition of Minecraft, [5] but briefly had a Bedrock variant.