astronomical unit
astronomical unit noun: 149,597,870,700 metres, the approximate mean distance from the Earth to the Sun (the semi-major axis of Earth's orbit), (symbol AU), used to measure distances in the solar system.
Noun
astronomical unit (plural astronomical units)
- 149,597,870,700 metres, the approximate mean distance from the Earth to the Sun (the semi-major axis of Earth's orbit), (symbol AU), used to measure distances in the solar system.
- Now this big quarter of a Jupiter mass planet is in an orbit about Zeta 2 Reticuli which lasts 18.9 days and has a Semi-Major Axis of 0.14 Astronomical Unit (AU). For comparison Mercury has a Semi-Major Axis of 0.387 AU equal to 36 million miles and Earth has a Semi-Major Axis of 1.00 AU equal to...2000 April 10, Joe LeSearne, “Zeta 2 Reticuli : Home System Of The Greys?”, in http://www.gravitywarpdrive.com/, retrieved 05 Aug 2012
- Gagarin Station is the largest deep space station built by humanity, a "Bernal Sphere" designed with a 500-meter-diameter habitable area. It was constructed beyond Pluto, nearly 80 Astronomical Units (12 billion kilometers) from Sol. Moving crew and materials to this location bankrupted most of the...2008, BioWare, Mass Effect, Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Stations: Gagarin Station Codex entry
astronomical unit meaning in Hindi, Tamil, Urdu and Kannada
astronomical unit in Hindi
- measure of distance
- खगोलीय इकाई khagolīya ikāī
astronomical unit in Tamil
- measure of distance
- வானியல் அலகு vāṉiyal alaku
astronomical unit in Urdu
- measure of distance
- فلکیاتی اکائی
astronomical unit in Kannada
- ಹೊರಬಾನಿನ, ಬಾನಳತೆ, ಬಾನಗೋಲು
More languagesFewer languages
- astronomical unit in Punjabi
- ਖਗੋਲੀ ਇਕਾਈ khagolī ikāī
- astronomical unit in Arabic
- وَحْدَة فَلَكِيَّة waḥda falakiyya
- astronomical unit in Malay
- unit astronomi, satuan astronomi
- astronomical unit in Persian
- واحد نجومی vâhed nojumi
- astronomical unit in Thai
- หน่วยดาราศาสตร์ nùai-daa-raa-sàat
Examples of astronomical unit in a sentence
- Now this big quarter of a Jupiter mass planet is in an orbit about Zeta 2 Reticuli which lasts 18.9 days and has a Semi-Major Axis of 0.14 Astronomical Unit (AU).2000 April 10, Joe LeSearne, “Zeta 2 Reticuli : Home System Of The Greys?”, in http://www.gravitywarpdrive.com/, retrieved 05 Aug 2012:
- It was constructed beyond Pluto, nearly 80 Astronomical Units (12 billion kilometers) from Sol.2008, BioWare, Mass Effect, Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Stations: Gagarin Station Codex entry:
Synonyms of astronomical unit
Forms of astronomical unit
| plural | astronomical units |
|---|
Questions about astronomical unit
- What does astronomical unit mean?
- Astronomical unit means 149,597,870,700 metres, the approximate mean distance from the Earth to the Sun (the semi-major axis of Earth's orbit), (symbol AU), used to measure distances in the solar system.
- What is astronomical unit in Hindi?
- Astronomical unit in Hindi is खगोलीय इकाई (khagolīya ikāī). See Astronomical unit meaning in Hindi.
- How do you use astronomical unit in a sentence?
- Now this big quarter of a Jupiter mass planet is in an orbit about Zeta 2 Reticuli which lasts 18.9 days and has a Semi-Major Axis of 0.14 Astronomical Unit (AU).
- What part of speech is astronomical unit?
- Astronomical unit is a noun.
- What is the plural of astronomical unit?
- The plural of astronomical unit is astronomical units.
Words near astronomical unit in the dictionary
Source and license
Adapted from Wiktionary: astronomical unit (page history and authors); astronomical unit (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-astronomical unit.wav.
Cite this entry: “astronomical unit.” Word.ws, https://word.ws/astronomical_unit. Based on Wiktionary, CC BY-SA 4.0.