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  2. Star chart - Wikipedia

    en.wikipedia.org/wiki/Star_chart

    In Muslim astronomy, the first star chart to be drawn accurately was most likely the illustrations produced by the Persian astronomer Abd al-Rahman al-Sufi in his 964 work titled Book of Fixed Stars. This book was an update of parts VII.5 and VIII.1 of the 2nd century Almagest star catalogue by Ptolemy .

  3. Norton's Star Atlas - Wikipedia

    en.wikipedia.org/wiki/Norton's_Star_Atlas

    Norton's Star Atlas is a set of 16 celestial charts, first published in 1910 and currently in its 20th edition under the editorship of Ian Ridpath.The Star Atlas covers the entire northern and southern sky, with accompanying reference information for amateur astronomers.

  4. Planetary mnemonic - Wikipedia

    en.wikipedia.org/wiki/Planetary_mnemonic

    Before 2006, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto were considered as planets. Below is a partial list of these mnemonics: "Men Very Easily Make Jugs Serve Useful Needs, Perhaps" – The structure of this sentence, which is current in the 1950s, suggests that it may have originated before Pluto's discovery.

  5. Hertzsprung–Russell diagram - Wikipedia

    en.wikipedia.org/wiki/Hertzsprung–Russell_diagram

    Modern observational versions of the chart replace spectral type by a color index (in diagrams made in the middle of the 20th Century, most often the B-V color) of the stars. This type of diagram is what is often called an observational Hertzsprung–Russell diagram, or specifically a color–magnitude diagram (CMD), and it is often used by ...

  6. Astronomy - Wikipedia

    en.wikipedia.org/wiki/Astronomy

    Astronomy is a natural science that studies celestial objects and the ... crafting charts of the heavens as well as precise diagrams of orbits of the other planets ...

  7. Amateur astronomy - Wikipedia

    en.wikipedia.org/wiki/Amateur_astronomy

    Amateur astronomers also use star charts that, depending on experience and intentions, may range from simple planispheres through to star atlases with detailed charts of the entire night sky. A range of astronomy software is also available and used by amateur astronomers, including software that generates maps of the sky, software to assist ...

  8. Odyssey (children's magazine) - Wikipedia

    en.wikipedia.org/wiki/Odyssey_(children's_magazine)

    Odyssey was a monthly science magazine for children ages 9–14, created by Richard Berry, editor of Astronomy. The magazine was published between 1979 and 2015. It was based in Peterborough, New Hampshire. [1] The magazine was also headquartered in Milwaukee, Wisconsin. [2]

  9. Celestial cartography - Wikipedia

    en.wikipedia.org/wiki/Celestial_cartography

    Celestial cartography, [1] uranography, [2] [3] astrography or star cartography [citation needed] is the aspect of astronomy and branch of cartography concerned with mapping stars, galaxies, and other astronomical objects on the celestial sphere. Measuring the position and light of charted objects requires a variety of instruments and techniques.

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