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  2. Astropy - Wikipedia

    en.wikipedia.org/wiki/Astropy

    Astropy is a collection of software packages written in the Python programming language and designed for use in astronomy. [2] The software is a single, free, core package for astronomical utilities due to the increasingly widespread usage of Python by astronomers, and to foster interoperability between various extant Python astronomy packages. [3]

  3. List of software for astronomy research and education

    en.wikipedia.org/wiki/List_of_Software_for...

    Listed here are software packages useful for conducting scientific research in astronomy, and for seeing, exploring, and learning about the data used in astronomy. Package Name Pro

  4. Vis-viva equation - Wikipedia

    en.wikipedia.org/wiki/Vis-viva_equation

    In astrodynamics, the vis-viva equation is one of the equations that model the motion of orbiting bodies.It is the direct result of the principle of conservation of mechanical energy which applies when the only force acting on an object is its own weight which is the gravitational force determined by the product of the mass of the object and the strength of the surrounding gravitational field.

  5. 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.

  6. Sunrise equation - Wikipedia

    en.wikipedia.org/wiki/Sunrise_equation

    5.10 Example of implementation in Python. 6 See also. 7 ... such as a non-piecewise expression by G.G. Bennett used in the U.S. Naval Observatory's "Vector Astronomy ...

  7. Kepler's equation - Wikipedia

    en.wikipedia.org/wiki/Kepler's_equation

    In orbital mechanics, Kepler's equation relates various geometric properties of the orbit of a body subject to a central force.. It was derived by Johannes Kepler in 1609 in Chapter 60 of his Astronomia nova, [1] [2] and in book V of his Epitome of Copernican Astronomy (1621) Kepler proposed an iterative solution to the equation.

  8. Unevenly spaced time series - Wikipedia

    en.wikipedia.org/wiki/Unevenly_spaced_time_series

    Traces is a Python library for analysis of unevenly spaced time series in their unaltered form.; CRAN Task View: Time Series Analysis is a list describing many R (programming language) packages dealing with both unevenly (or irregularly) and evenly spaced time series and many related aspects, including uncertainty.

  9. Chudnovsky algorithm - Wikipedia

    en.wikipedia.org/wiki/Chudnovsky_algorithm

    ) + / A detailed proof of this formula can be found here: [14] This identity is similar to some of Ramanujan 's formulas involving π , [ 13 ] and is an example of a Ramanujan–Sato series . The time complexity of the algorithm is O ( n ( log ⁡ n ) 3 ) {\displaystyle O\left(n(\log n)^{3}\right)} .