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Osculating orbit (inner, black) and perturbed orbit (red) In astronomy, and in particular in astrodynamics, the osculating orbit of an object in space at a given moment in time is the gravitational Kepler orbit (i.e. an elliptic or other conic one) that it would have around its central body if perturbations were absent. [1]
In mathematics, osculate, meaning to touch (from the Latin osculum meaning kiss), may refer to: osculant, an invariant of hypersurfaces; osculating circle; osculating curve ...
This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth. The field of astronomy features an extensive vocabulary and a ...
ELF – extremely luminous far-infrared galaxy, a synonym for Ultra-Luminous infrared galaxy; ELT – (telescope) Extremely Large Telescope; EMP – (catalog) Ephemerides of Minor Planets; EMP – (celestial object) extremely metal-poor, a star with few elements other than hydrogen and helium; EMU – Evolutionary Map of the Universe
By definition, it is the amount of energy gained by the charge of a single electron moved across an electric potential difference of one volt. electronegativity A chemical property that describes the tendency of an atom or a functional group to attract electrons (or electron density) towards itself. electronics
Osculatory" is used in some 19th-century sources, [6] and some claim that this refers to a pendant form, worn round the neck by the priest. This does not appear in most modern scholarship, though given a one-line entry by Oxford Art Online . [ 7 ]
footnote marker – the bracketed, superscripted number, letter, or word; like these dummy examples. [1] [a] [Note 1] footnote label – the part between the brackets; following the above example: '1', 'a', or 'Note 1'. footnote – the full note or reference, displayed automatically in an ordered list in the Notes and references appendix of ...
An undamped spring–mass system is an oscillatory system. Oscillation is the repetitive or periodic variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states.