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  2. Stellar classification - Wikipedia

    en.wikipedia.org/wiki/Stellar_classification

    Stellar classification. In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors interspersed with spectral lines.

  3. Star formation - Wikipedia

    en.wikipedia.org/wiki/Star_formation

    Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or " star -forming regions", collapse and form stars. [ 1] As a branch of astronomy, star formation includes the study of the interstellar medium (ISM) and giant molecular clouds (GMC) as precursors to ...

  4. List of proper names of stars - Wikipedia

    en.wikipedia.org/wiki/List_of_proper_names_of_stars

    In 2016, the International Astronomical Union (IAU) organized a Working Group on Star Names (WGSN) [2] to catalog and standardize proper names for stars. The WGSN's first bulletin, dated July 2016, [3] included a table of 125 stars comprising the first two batches of names approved by the WGSN (on 30 June and 20 July 2016) together with names of stars adopted by the IAU Executive Committee ...

  5. KIC 9832227 - Wikipedia

    en.wikipedia.org/wiki/KIC_9832227

    Other designations. 2MASS J19291594+4637198, KIC 9832227, ASAS J192916+4637.3, GSC 03543-01211. Database references. SIMBAD. data. KIC. data. KIC 9832227 is a contact binary star system in the constellation Cygnus, located about 2,060 light-years away. It is also identified as an eclipsing binary with an orbital period of almost 11 hours.

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    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  7. Nova - Wikipedia

    en.wikipedia.org/wiki/Nova

    Nova. 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. All observed novae involve white dwarfs in close binary systems, but causes of the dramatic appearance of a nova vary ...

  8. K-type main-sequence star - Wikipedia

    en.wikipedia.org/wiki/K-type_main-sequence_star

    0.6 M☉ to 0.9 M☉. A K-type main-sequence star, also referred to as a K-type dwarf, or orange dwarf, is a main-sequence ( hydrogen -burning) star of spectral type K and luminosity class V. These stars are intermediate in size between red M-type main-sequence stars ("red dwarfs") and yellow/white G-type main-sequence stars. They have masses ...

  9. Star Trek Online - Wikipedia

    en.wikipedia.org/wiki/Star_Trek_Online

    Star Trek Online is the first massively multiplayer online role-playing game within the Star Trek franchise and was released for Microsoft Windows in February 2010. [5] At launch, the game required a game purchase and a recurring monthly fee. In January 2012, it relaunched with a tier of free-to-play access available. [6]

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