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Types of these phenomena are named for the 22-degree or 46-degree angles of minimum deviation that give rise to them. For 10 points each:
[10h] Name these refraction patterns around the Sun and Moon that are visible from Earth. Sun dogs and light pillars are types of these phenomena, which are formed by ice crystals in the atmosphere refracting light.
ANSWER: halos [accept 22-degree halos or 46-degree halos; prompt on rings or Bottlinger’s ring]
[10e] Halos are often caused by the ice crystals that compose these clouds, which have “fibratus” and “castellanus” types. These thin, wispy clouds are usually contrasted with stratus and cumulus clouds.
ANSWER: cirrus clouds
[10m] Halos can also form as a rainbow in a quarter-circle around this point in the celestial sphere, which is located directly above one’s head.
ANSWER: zenith
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MiamiUChicago D010010
MiamiUChicago D010010
MiamiUChicago D010010
MiamiUChicago D010010
MiamiUChicago D010010
MiamiUChicago D010010
MiamiUChicago D010010
MiamiUChicago D010010
Purdue BNorthwestern A010010
Notre DamePurdue C010010
SIUE APurdue D010010
UChicago CWashU C001010
UIUC AIndiana B010010
UIUC BUChicago B010010
WashU BUIUC C10101030
UIUC DIndiana A10101030