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A nova (pl. novae or novas) is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star (hence the name "nova", Latin for "new") that slowly fades over weeks or months.
The Nova classification (Portuguese: nova classificação, 'new classification') is a framework for grouping edible substances based on the extent and purpose of food processing applied to them. Researchers at the University of São Paulo, Brazil, proposed the system in 2009. [1] Nova classifies food into four groups:
Nova categorizes foods into four groups: [3] unprocessed or minimally processed foods, processed ingredients, processed foods, and ultra-processed foods. Nova is an open classification that refines its definitions gradually through scientific publications rather than through a central advisory board. [7]
Northern Virginia, locally referred to as NOVA or NoVA, comprises several counties and independent cities in the Commonwealth of Virginia in the United States. The region radiates westward and southward from Washington, D.C., the nation's capital, and has a population of 3,257,133 people as of 2023 U.S. Census Bureau estimates, representing over a third of the state's total population.
Cataclysmic variables are subdivided into several smaller groups, often named after a bright prototype star characteristic of the class. In some cases the magnetic field of the white dwarf is strong enough to disrupt the inner accretion disk or even prevent disk formation altogether.
Quark-nova – Hypothetical violent explosion resulting from conversion of a neutron star to a quark star; Superluminous supernova – Supernova at least ten times more luminous than a standard supernova; Supernovae in fiction; Timeline of white dwarfs, neutron stars, and supernovae – Chronological list of developments in knowledge and records
Bossa nova (Portuguese pronunciation: [ˈbɔsɐ ˈnɔvɐ] ⓘ) is a relaxed style of samba [nb 1] developed in the late 1950s and early 1960s in Rio de Janeiro, Brazil. [2] It is mainly characterized by a calm syncopated rhythm with chords and fingerstyle mimicking the beat of a samba groove, as if it was a simplification and stylization on the guitar of the rhythm produced by a samba school band.
In biological taxonomy, a species nova (plural: species novae; abbreviation: sp. nov. plural abbreviation: spp. nov.) is a new species. [2] The phrase is Latin, [2] and is used after a binomial name that is being published for the first time. [3] The equivalent for a new genus name is genus novum, and familia nova for a biological family.