Astronomical — As tro*nom ic*al ( [i^]*kal), a. [L. astronomicus, Gr. astronomiko s: cf. F. astronomique.] Of or pertaining to astronomy; in accordance with the methods or principles of astronomy. {As tro*nom ic*al*ly}, adv. [1913 Webster] {Astronomical clock} … The Collaborative International Dictionary of English
Astronomical clock — Astronomical As tro*nom ic*al ( [i^]*kal), a. [L. astronomicus, Gr. astronomiko s: cf. F. astronomique.] Of or pertaining to astronomy; in accordance with the methods or principles of astronomy. {As tro*nom ic*al*ly}, adv. [1913 Webster]… … The Collaborative International Dictionary of English
Astronomical day — Astronomical As tro*nom ic*al ( [i^]*kal), a. [L. astronomicus, Gr. astronomiko s: cf. F. astronomique.] Of or pertaining to astronomy; in accordance with the methods or principles of astronomy. {As tro*nom ic*al*ly}, adv. [1913 Webster]… … The Collaborative International Dictionary of English
Astronomical fractions — Astronomical As tro*nom ic*al ( [i^]*kal), a. [L. astronomicus, Gr. astronomiko s: cf. F. astronomique.] Of or pertaining to astronomy; in accordance with the methods or principles of astronomy. {As tro*nom ic*al*ly}, adv. [1913 Webster]… … The Collaborative International Dictionary of English
astronomical — also astronomic adjective Date: 1556 1. of or relating to astronomy < astronomical observations > 2. enormously or inconceivably large or great < astronomical numbers > • astronomically adverb … New Collegiate Dictionary
Astronomical year numbering — is based on AD (Anno Domini)/CE (Common Era) year numbering, but follows normal decimal integer numbering more strictly. Thus, it has a year 0 and the years before that are designated with a minus sign − . The era designations BC (Before… … Wikipedia
astronomical — [as΄trə näm′i kəl] adj. 1. of or having to do with astronomy 2. extremely large, as the numbers or quantities used in astronomy: Also astronomic astronomically adv … English World dictionary
Astronomical naming conventions — In ancient times, only the Sun and Moon, a few hundred stars and the most easily visible planets had names. Over the last few hundred years, the number of identified astronomical objects has risen from hundreds to over a billion, and more are… … Wikipedia
Astronomical seeing — Schematic diagram illustrating how optical wavefronts from a distant star may be perturbed by a layer of turbulent mixing in the atmosphere. The vertical scale of the wavefronts plotted is highly exaggerated. Astronomical seeing refers to the… … Wikipedia
astronomical map — Introduction any cartographic representation of the stars, galaxies, or surfaces of the planets and the Moon. Modern maps of this kind are based on a coordinate system analagous to geographic latitude and longitude. In most cases, modern… … Universalium
