astronomy

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Pronunciation 1.2 Etymology 1.3 Noun 1.3.1 Usage notes 1.3.2 Related terms 1.3.3 Translations 1.3.4 See also

[edit] English

Wikipedia

[edit] Pronunciation

• IPA: /əˈstɹɑnəˌmi/ (GA)
•  Audio (US)^{help, file}

[edit] Etymology

First coined 1570, from Latin astronomia < Ancient Greek ἀστρονομία (astronomia) < ἄστρον (astron), “‘star’”) < Proto-Indo-European *h₂stḗr (“‘star’”) + νόμος (nomos), “‘arranging, regulating’”), related to νέμω (nemō), “‘I deal out’”).

[edit] Noun

astronomy (plural astronomies)

1. The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe.

[edit] Usage notes

The study of the physical processes which control matter and energy in the universe is commonly called astrophysics. The investigation of the origin, evolution, and fate of the universe itself is called cosmology.

[edit] Related terms

• astral
• astrologist
• astrology
• astronomer
• astronomical
• astronomically
• astrometry
• astrophysics

[edit] Translations

[edit] See also

• cosmology
• uranology