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A branch of physics that studies atoms as isolated systems of electrons and an atomic nucleus. Compare nuclear physics. atomic structure atomic weight (A) The sum total of protons (or electrons) and neutrons within an atom. audio frequency A periodic vibration whose frequency is in the band audible to the average human, the human hearing range.
Display a year or month calendar Template parameters [Edit template data] Parameter Description Type Status Year year the ordinal year number of the calendar Default current Number suggested Month month whether to display a single month instead of a whole year, and which one Default empty Example current, next, last, 1, January String suggested Show year show_year whether to display the year ...
Download as PDF; Printable version; In other projects Wikimedia Commons; Wikidata item; Appearance. ... 2023 crimes by month (17 C) 0–9. January 2023 events (4 C, 1 P)
In a solar calendar a year approximates Earth's tropical year (that is, the time it takes for a complete cycle of seasons), traditionally used to facilitate the planning of agricultural activities. In a lunar calendar, the month approximates the cycle of the moon phase. Consecutive days may be grouped into other periods such as the week.
This page was last edited on 28 December 2022, at 15:11 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
This page was last edited on 28 December 2022, at 15:11 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
This page is a glossary of terms in string theory, including related areas such as supergravity, supersymmetry, and high energy physics Contents: Conventions
12 April: Researchers demonstrate an 'AI scientist' that can rediscover physical laws from axioms and data. 14 April: Launch of the JUICE mission to Jupiter. 3 April. Five employees at the National Hurricane Center publish a tropical cyclone report (TCR) on Hurricane Ian, which officially upgrades the hurricane from a Category 4 to a Category 5 on the Saffir–Simpson scale.