Angular+distance
51lunar distance — noun the angular distance of the moon from the sun, a planet, or a star, used in finding longitude at sea …
52polar distance — noun Geometry the angular distance of a point on a sphere from the nearest pole …
53lunar distance — noun : the angular distance from the moon to a planet or star used to determine longitudes at sea …
54north polar distance — noun : the angular distance of a celestial body measured along its hour circle from the north celestial pole …
55polar distance — noun : the angular distance of any point on a sphere from one of its poles …
56south polar distance — noun : the angular distance of a celestial body measured along its hour circle from the south celestial pole …
57Cosmic distance ladder — * Light green boxes: Technique applicable to star forming galaxies. * Light blue boxes: Technique applicable to Population II galaxies. * Light Purple boxes: Geometric distance technique. * Light Red box: The planetary nebula luminosity function… …
58Optimum HDTV viewing distance — is the distance that provides the viewer with the optimum immersive visual HDTV experience. Although opinions vary on the exact screen size to distance relationship, formal research and recommendations suggest closer is preferred to further[not… …
59Extragalactic distance scale — The extragalactic distance scale is a series of techniques used today by astronomers to determine the distance of cosmological bodies (beyond our own galaxy) not easily obtained with traditional methods. Some procedures utilize properties of… …
60Action at a distance (physics) — In physics, action at a distance is the interaction of two objects which are separated in space with no known mediator of the interaction. This term was used most often with early theories of gravity and electromagnetism to describe how an object …
