(n) a unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers), Syn. AU

astronomy

(n) the branch of physics that studies celestial bodies and the universe as a whole, Syn. uranology

astronomy satellite

(n) a satellite equipped with a telescope to observe infrared radiation

astronomy unit

(n) a linear unit used for astronomical distances

The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)

Astronomer

n. [ See Astronomy. ] 1. An astrologer. [ Obs. ] Shak. [ 1913 Webster ]

2. One who is versed in astronomy; one who has a knowledge of the laws of the heavenly orbs, or the principles by which their motions are regulated, with their various phenomena. [ 1913 Webster ]

An undevout astronomer is mad. Young. [ 1913 Webster ]

Astronomian

n. [ OE. & OF. astronomien. See Astronomy. ] An astrologer. [ Obs. ] [ 1913 Webster ]

Astronomic

a. Astronomical. [ 1913 Webster ]

Astronomical

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. See under Clock. --
Astronomical day. See under Day. --
Astronomical fractions,
Astronomical numbers. See under Sexagesimal. [1913 Webster]

Astronomize

v. i. [ Gr. &unr_;. ] To study or to talk astronomy. [ R. ] [ 1913 Webster ]

They astronomized in caves. Sir T. Browne. [ 1913 Webster ]

Astronomy

n. [ OE. astronomie, F. astronomie, L. astronomia, fr. Gr. &unr_;, fr. &unr_; astronomer; 'asth`r star + &unr_; to distribute, regulate. See Star, and Nomad. ] 1. Astrology. [ Obs. ] [ 1913 Webster ]

Not from the stars do I my judgment pluck;
And yet methinks I have astronomy. Shak. [ 1913 Webster ]

2. The science which treats of the celestial bodies, of their magnitudes, motions, distances, periods of revolution, eclipses, constitution, physical condition, and of the causes of their various phenomena. [ 1913 Webster ]

3. A treatise on, or text-book of, the science. [ 1913 Webster ]

Physical astronomy. See under Physical. [ 1913 Webster ]

German-English: TU-Chemnitz DING Dictionary DING DE-EN Dictionary

Astronom { m }; Astronomin { f }; Sternforscher { m } | Astronomen { pl }

astronomer | astronomers

Astronomie { f }; Sternkunde { f }

astronomy

astronomisch

astronomic

astronomisch { adj }

astronomical

astronomisch { adv }

astronomically

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astronom

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