elliptical coordinates
81Orbit equation — In astrodynamics an orbit equation defines the path of orbiting body around central body relative to , without specifying position as a function of time. Under standard assumptions, a body moving under the influence of a force, directed to a… …
82NGC 57 — (2MASS) Observation data (J2000 epoch) Constellation Pisces …
83Neptune — This article is about the planet. For other uses, see Neptune (disambiguation). Neptune   …
84physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …
85Atomic orbital — The shapes of the first five atomic orbitals: 1s, 2s, 2px, 2py, and 2pz. The colors show the wave function phase. These are graphs of ψ(x,y,z) functions which depend on the coordinates of one electron. To see the elongated shape of ψ(x,y,z)2… …
86Solar System — This article is about the Sun and its planetary system. For other systems, see planetary system and star system. For a list of physical and orbital statistics for the Solar System s largest bodies, see List of gravitationally rounded objects of… …
87Quezon City — Lungsod Quezon   City   Clockwise from top left : C 5 Road going to Libis, Quezon Memorial Circle, Ka …
88Messier 49 — Messier 49[1] Messier 49 Observation data Epoch J2000 Constell …
89Messier 105 — M105, as viewed by the HST; Credit: NASA/ESA Observation data (J2000 epoch) Constellation Leo …
90Vicoforte — Infobox CityIT official name = Comune di Vicoforte img coa = Vicoforte Stemma.png img coa small = image caption = region = RegioneIT|sigla=PMN province = ProvinciaIT (short form)|sigla=CN (CN) mayor = mayor party = elevation footnotes = elevation …
