Properly, a luminous ring encircling an astronomical body, but not infrequently confounded with "aureola," or "nimbus," a somewhat similar phenomenon worn as a head-dress by divinities and saints. The halo is a purely optical illusion, produced by moisture in the air, in the manner of a rainbow; but the aureola is conferred as a sign of superior sanctity, in the same way as a bishop's mitre, or the Pope's tiara. In the painting of the Nativity, by Szedgkin, a pious artist of Pesth, not only do the Virgin and the Child wear the nimbus, but an ass nibbling hay from the sacred manger is similarly decorated and, to his lasting honor be it said, appears to bear his unaccustomed dignity with a truly saintly grace.
A luminous circle, usually prismatically colored, round the sun or moon, and supposed to be caused by the refraction of light through crystals of ice in the atmosphere. Connected with halos there are often white bands, crosses, or arches, resulting from the same atmospheric conditions.
A circle of light; especially, the bright ring represented in painting as surrounding the heads of saints and other holy persons; a glory; a nimbus.
A colored circle around a nipple; an areola.
To form, or surround with, a halo; to encircle with, or as with, a halo.
In images of the Sun produced by the SOHO spacecraft, a CME may appear as a halo or semi-halo expanding over time around the Sun. The halo effect is due to the scattering of sunlight from the denser gas of a CME, compared to that of the solar corona, as it escapes from the Sun. A full halo is often an indication that the CME is Earth-directed and may give rise to a magnetic storms. A semi-halo CME usually indicates, at best, a 'glancing blow' to the magnetosphere, and it may signal a CME that will miss the magnetosphere completely. Uncertainty in the direction of propagation of CMEs occurs because of the interaction of the CME with the ambient solar wind and because of the absence of suitable monitoring satellites in space. Back to the top.
Halo phenomena constitute a large group of phenomena produced by the refraction or reflection of the light of the sun or moon by the ice crystals composing cirrus or cirrostratus cloud. The commonest is the halo of about 22° radius round the sun or moon; other fairly common forms are mock suns (or moons), sun pillars, the halo of 46° radius, etc. (See Corona).
Any of a variety of bright circles or arcs centered on the sun or moon, caused by the refraction or reflection of light by ice crystals suspended in the earth's atmosphere and exhibiting prismatic coloration ranging from red inside to blue outside.
A radiant, luminous, shimmering circle of light enveloping the head of a deity, or highly evolved being. It is believed that an enlightened being operates from the crown chakra while preparing for their ascension and this energy spills out of the head as that being evolves.
A ring or arc forming around the sun or moon caused by ice crystal clouds.
Complication of refractive surgery in which patient sees rings around lights due to optical imperfections in or in front of the eye
an indication of radiant light drawn around the head of a saint
a toroidal shape; "a ring of ships in the harbor"; "a halo of smoke"
a circle of light around the sun or moon
a circle of sacredness, a light-emanating form that signals a holy presence
a continuous hoop that circles the top of the drivers / passengers area
a ring of light surrounding the sun or moon
a ring of light that surrounds either the sun or moon and typically appears as bright white rings
Any one of a large class of atmospheric optical phenomena, which appear as colored or whitish rings and arcs about the sun or moon when seen through an ice crystal cloud or a sky filled with falling ice crystals. In weather folklore, Halo's often precede bad or inclement weather as ice crystals will get blown ahead of the storm from the jet stream.
A metal ring used for patients with upper spinal cord injuries that surrounds or encircles the patient's head, allowing for proper alignment of the neck and spinal column.
a bright light, usually circular and positioned above or behind a saint's head
A ring or circle of light around the head of a saint in a religious painting.
Groups of optical phenomena, in the form of rings, arcs, pillars or bright spots, produced by the refraction or reflection of light by ice crystals suspended in the atmosphere. ectopascal (hPa): Pressure unit much used in meteorology. A hectopascal is equal to 100 pascals or 1 millibar.
Most commonly, a dark area surrounding an unusually bright object, caused by overloading of the camera tube. Reflection of studio lights from a piece of jewelry, for example, might cause this effect. With certain camera tube operating adjustments, a white area may surround dark objects.
A circular flare or hazy ring that may appear around a headlight or other lighted object.
a type of atmospheric optical phenomena which appears as a colored or whitish ring or arc of light that seems to encircle the sun or moon when viewed through an ice crystal cloud
A ring or arc of light around the sun or moon that is caused by ice crystals in the atmosphere.
In ages past, the huge rings or haloes around the sun or the moon were thought to portend everything from storms to great personal disasters. We now know that they are the optical result of the refraction of light from the sun or moon by ice crystals in the very high cloud (9,000 meters) called cirrus or cirrostratus. On occasion, only two bright spots on either side of the sun can be seen. These are known as sun dogs and are caused when the ice crystals occur in a certain uniform arrangement.
(Lunar Halo, Solar Halo) Group of optical phenomena, in the form of rings, arcs, pillars or bright spots, produced by the refraction of reflection of light by ice crystals suspended in the atmosphere (cirriform clouds, diamond dust, etc).
A ring or arc that encircles the sun or moon when seen through an ice crystal cloud or a sky filled with falling ice crystals. Halos are produced by refraction and reflection of light through the ice crystals. The most common halo is the 22° halo which can be seen 22°, or around one handspan from the sun.
The ring of light around the Sun or our moon caused by refraction and reflection of light by ice crystals, typically in a layer of cirrostratus. the commonest form is a circle of radius 22 degrees. 9, 18, 20, 22, 24, 46 degree halos can be seen at Harald E. Edens' site: www.weather-photography.com
group of optical phenomena, in the form of rings, arcs, pillars or bright spots around the sun or moon, produced by the refraction or reflection of light by ice crystals suspended in the atmosphere (cirrus clouds, diamond dust, etc.). Russian translation prepared by Nina A. Zaitseva for the Arctic Climatology Project Arctic Meteorology and Climate Atlas.
A halo is a luminous ring that is sometimes seen surrounding the sun or the moon. Some parts of the halo are very bright, others are not very bright. Sometimes, only a part of the ring is visible. The halo is produced as light is reflected and refracted through tiny, flat ice crystals in the atmosphere. Halos are always an angle of 22° away from the sun or moon, due to the hexagonal structure of the ice crystals. The diameter of the halo is about an eighth of the sky.
A ring of light. In sign making, the effect achieved by reverse channel letters, which appear to be ringed by light because the lights source is reflecting on the background from which the letters are pegged-out.
In rendering, the simulation of a bright ring surrounding a light source. See also optical FX node.
a luminous circle around the head of a figure, as for example Christ or a saint [image
A metal ring used for patients with spinal cord injuries of the neck which encircles the patient's head to allow for proper alignment of the neck and spinal cords. [Click Here To Return To List
The ring of light that seems to encircle the sun or moon when veiled by cirrus clouds. To produce this phenomena, the ice crystals must be in a heterogeneous arrangement to refract the sunlight. The most commonly observed is a halo that forms at a 22° radius, although another one at 46° radius may also be seen.
A halo (; also known as a nimbus or Gloriole) is a ring of light that surrounds an object.
A halo, also known as a halo ring, halo vest or halo crown, is a cervical brace used to aid spinal injuries. Halo is used to stabilize the cervical spine following fracture or dislocation. Halo allows one of the smallest cervical motion of all the cervical braces currently in use.
In information visualization, the halo technique is a method for viewing large documents on small screens or display windows, which functions by pointing users to the locations objects out of the visible field. Off-screen objects are surrounded by rings which reach into the border visible field (or window). From the position of the arc-shaped marker, combined with its curvature, users can infer the off-screen location of the object.