Iron star

In astronomy, an iron star is a hypothetical type of compact star that could occur in the universe in 10¹⁵⁰⁰ years. The premise behind iron stars states that cold fusion occurring via quantum tunnelling would cause the light nuclei in ordinary matter to fuse into iron-56 nuclei. Fission and alpha-particle emission would then make heavy nuclei decay into iron, converting stellar-mass objects to cold spheres of iron. The formation of these stars is only a possibility if the proton does not decay.

Though the surface of a neutron star is iron, it is distinct from an iron star.

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Star (heraldry)

In heraldry, the term star may refer to any star-shaped charge with any number of rays, which may appear straight or wavy, and may or may not be pierced. While there has been much confusion between the two due to their similar shape, a star with straight-sided rays is usually called a mullet while one with wavy rays is usually called an estoile.

While a mullet may have any number of points, it is presumed to have five unless otherwise specified in the blazon, and pierced mullets are common; estoiles, however, are presumed to have six rays and (as of 1909) had not been found pierced. In Scottish heraldry, an estoile is the same as in English heraldry, but it has been said that mullet refers only to a mullet pierced (also called a spur revel), while one that is not pierced is called a star.

Terminology

The use of the word star in blazons, and how that charge appears in coat armory, varies from one jurisdiction to another. In Scots heraldry, both star and mullet interchangeably mean a star with five straight rays; the official record from 1673 gives Murray of Ochtertyre azur three Starrs argent ... (Public Register, vol 1 p 188), while the Ordinary of Arms produced by a late 19th century Lyon King of Arms 'modernizes' the original as Az. three mullets arg. .... In Canadian heraldry the usual term is mullet, but there is also the occasional six-pointed star (e.g. in Vol. IV, at p. 274 and in online version of the Canadian Public Register), which is what others would blazon as a six-pointed mullet. The United States Army Institute of Heraldry, the official heraldic authority in the United States, uses the term mullet in its blazons, but elsewhere, as in US government documents describing the flag of the United States and the Great Seal of the United States, the term star is constantly used, and these nearly always appear with five straight-sided points.

Star (702 album)

Star is the third and final studio album from American R&B group 702, released March 25, 2003 by Motown.

The album peaked at number forty-five on the Billboard 200 chart. and is mostly remembered for its cult classic single "I Still Love You".

Release and reception

The album peaked at forty-five on the U.S. Billboard 200 and reached the twenty-second spot on the R&B Albums chart.

Andy Kellman of Allmusic gave the work a rather dismissive review, stating that "it continues in the group's tradition of being able to deliver a couple of solid singles surrounded by middling to fair album tracks."

Track listing

Chart history

Album

Singles

Personnel

Information taken from Allmusic.

Asterisk

An asterisk (*; from Late Latin asteriscus, from Ancient Greek ἀστερίσκος, asteriskos, "little star") is a typographical symbol or glyph. It is so called because it resembles a conventional image of a star. Computer scientists and mathematicians often vocalize it as star (as, for example, in the A* search algorithm or C*-algebra). In English, an asterisk is usually five-pointed in sans-serif typefaces, six-pointed in serif typefaces, and six- or eight-pointed when handwritten. It can be used as censorship. It is also used on the internet to correct one's spelling, in which case it appears after or before the corrected word.

The asterisk is derived from the need of the printers of family trees in feudal times for a symbol to indicate date of birth. The original shape was seven-armed, each arm like a teardrop shooting from the center.

In computer science, the asterisk is commonly used as a wildcard character, or to denote pointers, repetition, or multiplication.

Usage

Censorship

When toning down expletives, asterisks are often used to replace letters. For example, the word 'fuck' might become 'f*ck' or even '****'.

Al-Hadid

Sūrat al-Ḥadīd (Arabic: سورة الحديد‎) is the 57th chapter of the Quran.Hadid, meaning 'Iron', is the 57th chapter of the Qur'an with 29 verses. This chapter is named for the word Iron which appears in the 25th verse.

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Iron (metaphor)

Iron, when used metaphorically, refers to certain traits of the metal iron. Used as an adjective and sometimes as a noun, it refers to something stern, harsh, unyielding, inflexible, rigid, sturdy, strong, robust. It is sometimes used for something technological (iron lung) or not technologically advanced (iron bomb).

List of iron metaphors

This list is categorized superficially, rather than by the actual meanings of the expressions, to stress the metaphorical usage.

Persons and characters

Animals and plants

Iron in folklore

Iron has a long and varied tradition in the mythology and folklore of the world. As human blood smells of the iron which its cells contain, and blood in many traditions is equated with the life-force, so iron and minerals have been considered to be the blood or life-force of the Earth. This relationship is charted further in literature on geomancy, ley lines and songlines.

Plutarch

In Plutarch's mystical writings, iron and lodestone is referred to as the "bone" or "core" of the gods. Symbolically, iron is the bone, the foundation or the mineral core of both blood and red ochre.

Cold iron

Cold iron is a poetic and archaic term for iron.

Francis Grose's 1811 Dictionary of the Vulgar Tongue defines cold iron as "A sword, or any other weapon for cutting or stabbing." This usage often appears as "cold steel" in modern parlance.

Rudyard Kipling's poem "Cold Iron", found in his 1910 collection of stories Rewards and Fairies, used the term poetically to mean "weapon".

"Cold iron" is historically believed to repel, contain, or harm ghosts, fairies, witches, and/or other malevolent supernatural creatures. This belief continued into later superstitions in a number of forms: