enow.com Web Search

  1. Ad

    related to: astronomy formulas for dummies book list

Search results

  1. Results from the WOW.Com Content Network
  2. Category:Equations of astronomy - Wikipedia

    en.wikipedia.org/.../Category:Equations_of_astronomy

    Pages in category "Equations of astronomy" The following 71 pages are in this category, out of 71 total. This list may not reflect recent changes. A.

  3. Ptolemy's table of chords - Wikipedia

    en.wikipedia.org/wiki/Ptolemy's_table_of_chords

    The table of chords, created by the Greek astronomer, geometer, and geographer Ptolemy in Egypt during the 2nd century AD, is a trigonometric table in Book I, chapter 11 of Ptolemy's Almagest, [1] a treatise on mathematical astronomy. It is essentially equivalent to a table of values of the sine function.

  4. Friedmann equations - Wikipedia

    en.wikipedia.org/wiki/Friedmann_equations

    The Friedmann equations start with the simplifying assumption that the universe is spatially homogeneous and isotropic, that is, the cosmological principle; empirically, this is justified on scales larger than the order of 100 Mpc.

  5. List of common astronomy symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_common_astronomy...

    Orbital Parameters of a Cosmic Object: . α - RA, right ascension, if the Greek letter does not appear, á letter will appear. δ - Dec, declination, if the Greek letter does not appear, ä letter will appear.

  6. Category:Astronomy books - Wikipedia

    en.wikipedia.org/wiki/Category:Astronomy_books

    Books about astronomy, a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, meteoroids, asteroids, and comets

  7. Practical Astronomy with Your Calculator - Wikipedia

    en.wikipedia.org/wiki/Practical_Astronomy_with...

    Practical Astronomy with your Calculator is a book written by Peter Duffett-Smith, a University Lecturer and a Fellow of Downing College. It was first published in 1979 and has been in publication for over 30 years. The book teaches how to solve astronomical calculations with a pocket calculator.

  8. Celestial mechanics - Wikipedia

    en.wikipedia.org/wiki/Celestial_mechanics

    Celestial mechanics is the branch of astronomy that deals with the motions of objects in outer space. Historically, celestial mechanics applies principles of physics (classical mechanics) to astronomical objects, such as stars and planets, to produce ephemeris data.

  9. Hubble's law - Wikipedia

    en.wikipedia.org/wiki/Hubble's_law

    The dimensionless Hubble constant is often used when giving distances that are calculated from redshift z using the formula d ≈ ⁠ c / H 0 ⁠ × z. Since H 0 is not precisely known, the distance is expressed as: / ()

  1. Ad

    related to: astronomy formulas for dummies book list