| Oberon |
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proper noun (wikipedia, Oberon)
- The outermost moon of Uranus.
- A fictional character in w:William Shakespeare, William Shakespeare's play, "A Midsummer Night's Dream"
| | | obliquity |
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noun (obliquities)
- The quality of being oblique in direction; deviating from the horizontal or vertical, or the angle created by such a deviation.
- 1667, John Milton, Paradise Lost, lines 766-769:
- :The Planet Earth, so stedfast though she seem, / Insensibly three different Motions move? / Which else to several Sphears thou must ascribe, / Mov'd contrarie with thwart obliquities
- Mental or moral deviation or perversity; immorality.
- 1924, Herman Melville, Billy Budd, http://etext.virginia.edu/etcbin/ot2www-pubeng?specfile=/texts/english/modeng/publicsearch/modengpub.o2w&act=text&offset=475338594&textreg=2&query=obliquities&id=MelBill Chapter 2:
- :Habitually living with the elements and knowing little more of the land than as a beach, or, rather, that portion of the terraqueous globe providentially set apart for dance-houses, doxies and tapsters, in short what sailors call a "fiddlers'-green," his simple nature remained unsophisticated by those moral obliquities which are not in every case incompatible with that manufacturable thing known as respectability.
- 2006, Thomas Pynchon, Against the Day, Vintage 2007, p. 404:
- :Stray's friends, apt to keep more to the shadows, tended to be practitioners of "as it quite often came down to, varieties of pimp.
- The quality of being obscure, oftentimes willfully, sometimes as an exercise in euphemism.
- 1879, Mark Twain, A Tramp Abroad, http://etext.virginia.edu/etcbin/ot2www-pubeng?specfile=/texts/english/modeng/publicsearch/modengpub.o2w&act=text&offset=644798885&textreg=2&query=obliquities&id=TwaTram Chapter 25:
- :That spiked my gun. I could not say anything. I was entirely out of verbal obliquities; to go further would be to lie, and that I would not do; so I simply sat still and suffered , -- sat mutely and resignedly there, and sizzled, -- for I was being slowly fried to death in my own blushes.
| | occult |
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noun
- (i, usually with the) supernatural, Supernatural affairs.
verb
- (transitive): To cover.
- The earth occults the moon during a lunar eclipse.
adjective (more)
- secret, Secret; hidden from general knowledge; undetected
- blood loss; cancer
- Related to the occult.
| | occultation |
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noun
- (astronomy) An astronomical event that occurs when one celestial object is hidden by another celestial object that passes between it and the observer when the nearer object appears larger and completely hides the more distant object
- (religion) Describes the state of an Imam that has been hidden by God. (see wikipedia:Muhammad al-Mahdi, Muhammad al-Mahdi)
"The example of the Imam in occultation is like the sun behind the clouds. You may not see it, but it continues to sustain and aid you."
| | Octans |
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proper noun
- (constellation) A small circumpolar constellation of the southern sky, said to resemble an octant. It lies closest to the southern celestial pole of any constellation.
| | octant |
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noun
- The eighth part of a circle; an arc of 45 degrees.
- (geometry): The eighth part of a disc; a sector of 45 degrees; half a quadrant.
- (nautical): An instrument for measuring angles, particularly of elevation.
| | Olbers' paradox |
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noun - (astronomy) the observation that the night sky is mostly dark, yet, in a boundless universe of stars, every line of sight from the eye must eventually intercept the surface of a star
category:English eponyms
| | Oort cloud |
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noun
- (astronomy) A roughly spherical region of space from 50,000 to 100,000 astronomical units (approximately 1 light year) from the sun; supposedly the source of most comets.
| | open cluster |
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noun
- (astronomy) a more or less irregular star cluster containing tens to thousands of stars
| | opposition |
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noun
- (astronomy) The apparent relative position of two celestial bodies when one is at an angle of 180 degrees from the other.
- The action of opposing or of being in conflict.
- An opposite or contrasting position.
- An opponent in some form of competition.
- A political party opposed to the party or government in power.
- In United States intellectual property law, a proceeding in which an interested party seeks to prevent the registration of a trademark or patent.
| | orbit |
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noun
- A circular or elliptical path of one object around another object.
- The Moon's around the Earth takes nearly one month to complete.
- A sphere of influence; an area of control.
- In the post WWII era, several eastern European countries came into the of the Soviet Union.
- The course of one's usual progression, or the extent of one's typical range.
- The convenience store was a heavily travelled point in her daily , as she purchased both cigarettes and lottery tickets there.
- (anatomy) The bony cavity containing the eyeball; the eye socket.
- (physics) The path an electron takes around an atom's nucleus
- (mathematics) A collection of points related by the evolution function of a dynamical system.
verb
- To circle or revolve around another object.
- The Earth orbits the Sun.
- To move around the general vicinity of something.
- The harried mother had a cloud of children orbiting her, asking for sweets.
| | Orion |
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proper noun
- (greekmyth) A giant-hunter, pursuer of the Pleiades and lover of Eos, and killed by Artemis.
- (constellation) A constellation on the celestial equator close to Gemini and Taurus, containing the stars Betelgeuse and Rigel.
| | Orion Nebula |
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proper noun
- (astronomy) A diffuse nebula visible in the night sky below Orion's Belt; it is approximately 40 light years across. It is one of the brightest nebulae visible to the naked eye and is the closest region of stellar formation to Earth.
| | orrery |
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noun (orrer, ies)
- a clockwork model of the solar system
- 1985: To which his answer was: why, that God is eternal motion, Lacy. This is his first . " John Fowles, A Maggot
- 1997: Ethelmer for a split second is gazing straight up into her nostrils, one of which now flares into pink illumination as Pitt"s Taper sets alight the central Lanthorn of the Orrery, representing the Sun. The other Planets wait, all but humming, taut within their spidery Linkages back to the Crank-Shaft and the Crank, held in the didactic Grasp of the Revd Cherrycoke. " Thomas Pynchon, Mason & Dixon
| | outer space |
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noun
- Region outside explored space.
- Any region of space beyond limits determined with reference to boundaries of a celestial system or body, especially the region of space immediately beyond Earth's atmosphere
- (colour) A slightly lighter black color
- <table><tr><td>outer space colour: </td><td bgcolor="
- 001041" width="80"> </td></tr></table>
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