Apparent+distance
41Cleomedes — This article concerns the Greek astronomer. For the article on the lunar crater named for him, see Cleomedes (crater). Cleomedes (Κλεoμήδης) was a Greek astronomer who is known chiefly for his book On the Circular Motions of the Celestial Bodies …
42zoom — I. verb Etymology: imitative Date: 1903 intransitive verb 1. a. to move with a loud low hum or buzz b. to go speedily ; zip < cars zooming by on the highway > 2 …
43Precovery — (prediscovery) is a term used in astronomy that describes the process of finding the image of an object (usually a minor planet, but sometimes a comet or even a natural satellite) in old archived images or photographic plates, for the purpose of… …
44Xi Puppis — Starbox begin name=Xi Puppis Starbox observe epoch=J2000 ra=07h 49m 17.7s dec= 24° 51 prime; 35 Prime; appmag v=3.34 constell=Puppis Starbox character class=G6 Iab Ib b v=1.24 u b=1.16 variable=None Starbox astrometry radial v=3 prop mo ra= 5.56… …
45De Vaucouleurs' law — (also called the de Vaucouleurs profile) describes how the surface brightness I of an elliptical galaxy varies as a function of apparent distance R from the center:[1] ln I(R) = ln I0 − kR1 / 4. By defining Re as the radius of the… …
46HD 33564 — Starbox catalog names=BD+79°169, GC 6455, Gliese 196, HIP 25110, HR 1686, SAO 5496 Starbox reference Simbad=HD+33564 ARICNS =00433 Starbox reference Simbad=ADS+3864 HD 33564 is a 5th magnitude star located approximately 68 light years away in the …
47Koenig's manometric flame apparatus — was a laboratory instrument invented in 1862 by the German physicist Rudolph Koenig, and used to visualize sound waves. It was the nearest equivalent of the modern oscilloscope in the late nineteenth and early twentieth centuries.DescriptionThe… …
48Monddistanzen — Monddistanzen, früher eine der wichtigsten Methoden zur Bestimmung der geographischen Länge des Beobachtungsorts auf Reifen; sowohl zur See als zu Land anwendbar (im Gegensatz zu einigen andern Mondmethoden, vgl. Längenbestimmung). Keine andre… …
49zoom — [zo͞om] vi. [echoic] 1. to make a loud, low pitched, buzzing or humming sound 2. to move with a zooming sound 3. to climb in an airplane suddenly and sharply at an angle greater than normal, using the energy of momentum 4. to rise rapidly [prices …
50greatest elongation — noun : the configuration in which one celestial body reaches its greatest apparent distance from another the greatest eastern elongation of Venus with respect to the sun see configuration illustration …
