一種科學，研究地球大氣外之物質宇宙。

天文學(P,,U,繁體中文-偏好,D,U,U)
t'ien wen hsüeh (P,,U,韋氏拼音-偏好,UF,U,U)
tiān wén xué (P,,U,漢語拼音-偏好,UF,U,U)
tian wen xue (P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
astronomy(P,,U,英文-偏好,D,U,U)
astronomical(,U,英文-非偏好,AD,U,U)
astronomie(P,,U,荷蘭語-偏好,D,U,U)
astronomía(P,,U,西班牙語-偏好,D,U,U)

藝術與建築詞典根目錄
....活動層面
........學科 (層級名)
............學科 (專業領域分科)
................<科學與相關學科>
....................科學
........................自然科學
............................物理科學
................................天文學

equipment needed/used is....	天文儀器
practitioner(s)/student(s) are....	天文學家

英文....	The science that deals with the material universe beyond the earth's atmosphere.
荷蘭語....	De wetenschap die zich bezighoudt met het materiële heelal voorbij de atmosfeer van de aarde.
西班牙語....	Ciencia que trata con el universo material más allá de la atmósfera terrestre.

天文學............	[AS-Academia Sinica]
.................	朗文當代大辭典 p. 86
.................	國家教育研究院－雙語詞彙、學術名詞暨辭書資訊網 February 4, 2012
.................	智慧藏百科全書網 February 4, 2012
.................	大英百科全書線上繁體中文版 February 4, 2012
astronomy............	[VP]
.................	Chambers Science and Technology Dictionary (1988)
.................	CDMARC Subjects: LCSH (1988-)
.................	Peterson's Guide to Graduate and Professional Programs (1967-) Vol. 3, 184
.................	RILA, Subject Headings (1975-1990)
.................	Webster's Third New International Dictionary (1961)
.................	Random House Dictionary of the English Language (1987)
astronomical............	[VP]
.................	Getty Vocabulary Program rules
astronomie............	[Bureau AAT]
.................	AAT-Ned (1994-)
astronomía............	[CDBP-DIBAM]
.................	Moliner, Diccionario de uso del español (2004) I:283
Subject:............	[Bureau AAT]
.................	CDMARC Subjects: LCSH (1988-) precoor.; astronomical museums; astronomical observatories
.................	AAM, Official Museum Directory (1989) 1014; astronomy museums
.................	RIBA, Architectural Keywords (1982) Laboratories: space research
.................	Avery Index (1963-) precoor.; astronomical observatories; Astronomy and architecture
.................	Van Dale groot woordenboek (1994)

Getty AAT: 300054534 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300054534
聯合目錄： 天文學 、t'ien wen hsüeh 、tiān wén xué 、tian wen xue 、astronomy 、astronomical 、astronomie 、astronomía