When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Star chart - Wikipedia

    en.wikipedia.org/wiki/Star_chart

    Download QR code; Print/export ... A star chart is a celestial map of the night sky with ... By comparing the positions of the 41 constellations against the ...

  3. Alioth - Wikipedia

    en.wikipedia.org/wiki/Alioth

    Download QR code; Print/export ... B−V color index: ... it is the brightest star in the constellation and at magnitude 1.77 is the thirty-third brightest star in ...

  4. Color–color diagram - Wikipedia

    en.wikipedia.org/wiki/Colorcolor_diagram

    The typical axes for infrared colorcolor diagrams have (H–K) on the horizontal axis and (J–H) on the vertical axis (see infrared astronomy for information on band color designations). On a diagram with these axes, stars which fall to the right of the main sequence and the reddening bands drawn are significantly brighter in the K band ...

  5. Dunhuang Star Chart - Wikipedia

    en.wikipedia.org/wiki/Dunhuang_Star_Chart

    The scroll with the star chart was found amongst those documents by Aurel Stein when he visited and examined the content of the cave in 1907. [5] One of the first public mentionings of this script in Western studies was from Joseph Needham's 1959 version of the book Science and Civilisation in China. Since that time, only a few publications ...

  6. Uranometria - Wikipedia

    en.wikipedia.org/wiki/Uranometria

    Uranometria 's page of the constellation Orion. Uranometria is a star atlas produced by Johann Bayer.It was published in Augsburg in 1603 by Christoph Mang (Christophorus Mangus) [1] under the full title Uranometria: omnium asterismorum continens schemata, nova methodo delineata, aereis laminis expressa (from Latin: Uranometria, containing charts of all the constellations, drawn by a new ...

  7. Bayer designation - Wikipedia

    en.wikipedia.org/wiki/Bayer_designation

    Detail of Bayer's chart for Orion showing the belt stars and Orion Nebula region, with both Greek and Latin letter labels visible. A Bayer designation is a stellar designation in which a specific star is identified by a Greek or Latin letter followed by the genitive form of its parent constellation's Latin name. The original list of Bayer ...

  8. Messier 69 - Wikipedia

    en.wikipedia.org/wiki/Messier_69

    Messier 69 or M69, also known NGC 6637, and NGC 6634, [9] [10] is a globular cluster in the southern constellation of Sagittarius. [a] It can be found 2.5° to the northeast of the star Epsilon Sagittarii and is dimly visible in 50 mm aperture binoculars. The cluster was discovered by Charles Messier on August 31, 1780, the same night he ...

  9. Betelgeuse - Wikipedia

    en.wikipedia.org/wiki/Betelgeuse

    Betelgeuse's color may have changed from yellow (or possibly orange; i.e. a yellow supergiant) to red in the last few thousand years, based on a 2022 review of historical records. This color change combined with the CMD suggest a mass of 14 M ☉, an age of 14 million year and a distance from 125 to 150 parsecs (~400 to 500 light years). [12]