Star

A star is a luminous sphere of plasma held together by its own gravity. The nearest star to Earth is the Sun. Other stars are visible to the naked eye from Earth during the night, appearing as a multitude of fixed luminous points in the sky due to their immense distance from Earth. Historically, the most prominent stars were grouped into constellations and asterisms, and the brightest stars gained proper names. Extensive catalogues of stars have been assembled by astronomers, which provide standardized star designations.

For at least a portion of its life, a star shines due to thermonuclear fusion of hydrogen into helium in its core, releasing energy that traverses the star's interior and then radiates into outer space. Once the hydrogen in the core of a star is nearly exhausted, almost all naturally occurring elements heavier than helium are created by stellar nucleosynthesis during the star's lifetime and, for some stars, by supernova nucleosynthesis when it explodes. Near the end of its life, a star can also contain degenerate matter. Astronomers can determine the mass, age, metallicity (chemical composition), and many other properties of a star by observing its motion through space, luminosity, and spectrum respectively. The total mass of a star is the principal determinant of its evolution and eventual fate. Other characteristics of a star, including diameter and temperature, change over its life, while the star's environment affects its rotation and movement. A plot of the temperature of many stars against their luminosities, known as a Hertzsprung–Russell diagram (H–R diagram), allows the age and evolutionary state of a star to be determined.

Growth–share matrix

The growth–share matrix (aka the product portfolio, BCG-matrix, Boston matrix, Boston Consulting Group analysis, portfolio diagram) is a chart that was created by Bruce D. Henderson for the Boston Consulting Group in 1970 to help corporations to analyze their business units, that is, their product lines. This helps the company allocate resources and is used as an analytical tool in brand marketing, product management, strategic management, and portfolio analysis. Analysis of market performance by firms using its principles has recently called its usefulness into question.

Overview

To use the chart, analysts plot a scatter graph to rank the business units (or products) on the basis of their relative market shares and growth rates.

  • Cash cows is where a company has high market share in a slow-growing industry. These units typically generate cash in excess of the amount of cash needed to maintain the business. They are regarded as staid and boring, in a "mature" market, yet corporations value owning them due to their cash generating qualities. They are to be "milked" continuously with as little investment as possible, since such investment would be wasted in an industry with low growth.
  • Star (Erasure song)

    "Star" is a song by Erasure, released in 1990 as the fourth European (and third American) single from the group's fourth studio album Wild!.

    A straightforward dance music track with disco elements, "Star" was written by Erasure members Vince Clarke and Andy Bell, its lyrical content clearly referencing nuclear war; Erasure's own form of protest song. When released as a single, the track was remixed slightly for radio, bringing acoustic guitar elements and various background vocal parts forward in the mix.

    The last single released from Wild!, "Star" became Erasure's twelfth consecutive Top 20 hit on the UK singles chart, peaking at number eleven, and in Germany it peaked at number twenty-three. In the United States, "Star" did not enter the Billboard Hot 100, although it became a popular club hit, climbing to number four on the U.S. Hot Dance Music/Club Play chart.

    Track listings

    7" single (MUTE111) / Cassette Single (CMUTE111)

  • "Star"
  • "Dreamlike State"
  • 12" single (12MUTE111)

    Star polygon

    In geometry, a star polygon (not to be confused with a star-shaped polygon) is a concave polygon. Only the regular star polygons have been studied in any depth; star polygons in general appear not to have been formally defined.

    Branko Grünbaum identified two primary definitions used by Kepler, one being the regular star polygons with intersecting edges that don't generate new vertices, and a second are simple isotoxal concave polygons.

    The first usage is included in polygrams which includes polygons like the pentagram but also compound figures like the hexagram.

    Etymology

    Star polygon names combine a numeral prefix, such as penta-, with the Greek suffix -gram (in this case generating the word pentagram). The prefix is normally a Greek cardinal, but synonyms using other prefixes exist. For example, a nine-pointed polygon or enneagram is also known as a nonagram, using the ordinal nona from Latin. The -gram suffix derives from γραμμή (grammḗ) meaning a line.

    Regular star polygon

    A "regular star polygon" is a self-intersecting, equilateral equiangular polygon, created by connecting one vertex of a simple, regular, p-sided polygon to another, non-adjacent vertex and continuing the process until the original vertex is reached again. Alternatively for integers p and q, it can be considered as being constructed by connecting every qth point out of p points regularly spaced in a circular placement. For instance, in a regular pentagon, a five-pointed star can be obtained by drawing a line from the first to the third vertex, from the third vertex to the fifth vertex, from the fifth vertex to the second vertex, from the second vertex to the fourth vertex, and from the fourth vertex to the first vertex.

    Star (Milky album)

    Star is a 2002 studio album by the techno/house/electronic production group known as Milky.

    The first track on this album is “Just The Way You Are,” With its American release, “Just The Way You Are” hit No. 1 on Billboard’s Airplay Monitor Dance Chart. Milky’s second single, “In My Mind,” with vocals by Giuditta, is a track which has a combination of trumpets, Italian guitars and steel drums, forming a backdrop for Giuditta’s romantic declaration to her new lover. The third single is “Be My World”. Many songs in this album have clear rhythmic and melodic influences from Bossa nova. Artists such as Atomic Kitten, DJ Sammy and Kaci have requested to have Milky remixes of their songs.

    Track listing

  • "Just The Way You Are - 3:32
  • "Be My World - 3:45
  • "Thinking Of You - 2:45
  • "What Can I Do - 3:54
  • "In My Mind - 3:45
  • "Move Closer - 3:50
  • "Gold - 4:00
  • "Mystery Of Love - 4:04
  • "I Want You - 3:40
  • "I Will Find You - 3:46
  • "Anytime - 3:49
  • "How Much I Care - 2:50
  • "Non So Perche (Be My World) - 3:50
  • "Just The Way You Are" (2008 Pop rework) - 3:42
  • Podcasts:

    PLAYLIST TIME:

    Star

    by: E-Type

    I'm standing in the face of the storm
    where I will learn which way to go
    I feel like I am true to form
    But still I want to take it slow
    I know from the past
    where I'm wrong
    so let things come in a different way
    I am waiting for a star to fall down
    need someone around
    from time to time
    when I'm walking the streets of my hometown
    is there someone for me to find
    Now time has come to say goodbye
    to all the things I couldn't find
    wherever I might go tonight
    at least I have made up my mind
    I know from the past
    where I'm wrong
    I'll let things come in a different way
    I am waiting for a star to fall down
    need someone around
    from time to time
    when I'm walking the streets of my hometown
    is there someone for me to find
    I know from the past
    where I'm wrong
    so let things come in a different way
    I will be there (I am waiting)
    I will be there (for a star to fall down)
    someone from time to time
    I will be there (when I'm walking the streets)
    I will be there (of my hometown)
    Is there someone for me to find
    I am waiting for a star to fall down
    need someone around
    from time to time
    when I'm walking the streets of my hometown




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    Q&A: Esha Niyogi De on ‘star-authors’ who produced and starred in their own films (UCLA - University of California - Los Angeles)

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