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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]
Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. [1] [2] As one of the founders of the discipline, James Keeler, said, astrophysics "seeks to ascertain the nature of the heavenly bodies, rather than their positions or motions in space—what they are, rather than where they are", [3] which is studied ...
TOPCAT is an interactive graphical viewer and editor for tabular data. [2] Although a general purpose tool capable of handling large and sparse datasets with correlation functionality its specialist application area is astronomy and it was initially designed to support virtual observatories. [3]
Practical Astronomy with your Calculator, Peter Duffett-Smith. Cambridge University Press; 3rd edition 1988. Advanced/graduate level: Numerical Methods in Astrophysics: An Introduction (Series in Astronomy and Astrophysics): Peter Bodenheimer, Gregory P. Laughlin, Michal Rozyczka, Harold. W Yorke. Taylor & Francis, 2006.
Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets, satellites, and other spacecraft.
Diagram of several terms in positional astronomy. Spherical astronomy, or positional astronomy, is a branch of observational astronomy used to locate astronomical objects on the celestial sphere, as seen at a particular date, time, and location on Earth. It relies on the mathematical methods of spherical trigonometry and the measurements of ...
Cor Berrevoets (Netherlands) began development of the program about 2001, [7] and it was released on 19 May 2002. [8] This initial release (version v1.0.0) had facilities for stack alignment, grading and selection of the images to be merged, and image enhancement using techniques such as wavelet processing.
In orbital mechanics (a subfield of celestial mechanics), Gauss's method is used for preliminary orbit determination from at least three observations (more observations increases the accuracy of the determined orbit) of the orbiting body of interest at three different times.