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  2. Lists of stars by constellation - Wikipedia

    en.wikipedia.org/wiki/Lists_of_stars_by...

    All stars but one can be associated with an IAU (International Astronomical Union) constellation. IAU constellations are areas of the sky. Although there are only 88 IAU constellations, the sky is actually divided into 89 irregularly shaped boxes as the constellation Serpens is split into two separate sections, Serpens Caput (the snake's head) to the west and Serpens Cauda (the snake's tail ...

  3. Asterism (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Asterism_(astronomy)

    An asterism is an observed pattern or group of stars in the sky. Asterisms can be any identified pattern or group of stars, and therefore are a more general concept than the 88 formally defined constellations. Constellations are based on asterisms, but unlike asterisms, constellations outline and today completely divide the sky and all its ...

  4. List of symbolic stars - Wikipedia

    en.wikipedia.org/wiki/List_of_symbolic_stars

    Star polygon, a star drawn with a number of lines equal to the number of points Pentagram, a five-pointed star polygon Five-pointed star, a pentagram with internal line segments removed; Lute of Pythagoras, a pentagram-based fractal pattern; Hexagram, a six-pointed star polygon; Heptagram, a seven-pointed star polygon

  5. Constellation - Wikipedia

    en.wikipedia.org/wiki/Constellation

    Other star patterns or groups called asterisms are not constellations under the formal definition, but are also used by observers to navigate the night sky. Asterisms may be several stars within a constellation, or they may share stars with more than one constellation.

  6. Star - Wikipedia

    en.wikipedia.org/wiki/Star

    A star is a luminous spheroid of ... People have interpreted patterns and images in the stars since ... the energy generated at the core becomes free to propagate ...

  7. Stellar classification - Wikipedia

    en.wikipedia.org/wiki/Stellar_classification

    Main-sequence stars vary in surface temperature from approximately 2,000 to 50,000 K, whereas more-evolved stars – in particular, newly-formed white dwarfs – can have surface temperatures above 100,000 K. [3] Physically, the classes indicate the temperature of the star's atmosphere and are normally listed from hottest to coldest.

  8. EURion constellation - Wikipedia

    en.wikipedia.org/wiki/EURion_constellation

    The EURion constellation is made up of five rings. The EURion constellation (also known as Omron rings [1] or doughnuts [2]) is a pattern of symbols incorporated into a number of secure documents such as banknotes, cheques, and ownership title certificates designs worldwide since about 1996.

  9. Star chart - Wikipedia

    en.wikipedia.org/wiki/Star_chart

    Sky Chart – Free Northern Sky Chart Cutout. Planispherium – Free Northern Sky Chart Cutout in Latin; SFA Star Charts – Free star charts; Geody Star Charts – Free (CC-by-sa) printer friendly star charts for several latitudes and times of the year; An online star chart; Monthly sky maps for every location on Earth Archived 2007-09-13 at ...