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A halo (from Ancient Greek ἅλως (hálōs) 'threshing floor, disk') [1] is an optical phenomenon produced by light (typically from the Sun or Moon) interacting with ice crystals suspended in the atmosphere. Halos can have many forms, ranging from colored or white rings to arcs and spots in the sky.
Halo effect; Hawthorne effect; Hedonic treadmill; Hostile media effect; Hot-cold empathy gap; Hypersonic effect; Imposter syndrome; Irrelevant speech effect; Kappa effect; Kewpie doll effect; Kinetic depth effect; Kuleshov effect; Lady Macbeth effect; Lake Wobegon effect; Lawn dart effect; Less-is-better effect; Levels-of-processing effect ...
A circumhorizontal arc is an optical phenomenon that belongs to the family of ice halos formed by the refraction of sunlight or moonlight in plate-shaped ice crystals suspended in the atmosphere, typically in actual cirrus or cirrostratus clouds. In its full form, the arc has the appearance of a large, brightly spectrum-coloured band (red being ...
To see this ice halo, the sun needs to be more than 58 degrees high in the sky, and high cirrus clouds or jet cont The phenomenon is known technically as a "circumhorizontal arc" and is created by ...
Halo effect (cognitive biases) (educational psychology) (logical fallacies) (social psychology) Hanbury Brown and Twiss effect (quantum optics) Harem effect (harem) (human sexuality) (sex) (sexual orientation and identity) (sexual orientation and society) Hawthorne effect (educational psychology) (psychological theories) (social phenomena)
A 22° halo around the Sun, observed over Bretton Woods, New Hampshire, USA on February 13, 2021. A halo (ἅλως; also known as a nimbus, icebow or gloriole) is an optical phenomenon produced by the interaction of light from the Sun or Moon with ice crystals in the atmosphere, resulting in colored or white arcs, rings or spots in the sky. [23]
If temperatures during the wintertime vary enough, they can cause a phenomenon known as ice quakes. While earthquakes are a well known natural disaster, a lesser known but equally disturbing ...
Mars might have sun dogs formed by both water-ice and CO 2-ice. On the giant planets—Jupiter, Saturn, Uranus, and Neptune—other crystals form clouds of ammonia, methane, and other substances that can produce halos with four or more sun dogs. [9] A related phenomenon, the Crown flash is also known as a "leaping Sundog".