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The Victorian City: Images and Realities, 2 Volumes. Psychology Press. ISBN 0-415-19323-0. Farquhar, Maria. (1855). Biographical catalog of the principal Italian painters: with a table of the contemporary schools of Italy. Designed as a hand-book to the picture gallery. J. Murray. Favorite, Malaika. (1991). Illuminated Manuscript: Poems and Prints.
A specific type of NVD, the night vision goggle (NVG) is a night vision device with dual eyepieces. The device can utilize either one intensifier tube with the same image sent to both eyes, or a separate image intensifier tube for each eye. Night vision goggles combined with magnification lenses constitutes night vision binoculars.
Thus, the primary nocturnal function in the vision of the owl is due to its large posterior nodal distance; retinal image brightness is only maximized to the owl within secondary neural functions. [31] These attributes of the owl cause its nocturnal eyesight to be far superior to that of its average prey. [31]
Crepuscular, a classification of animals that are active primarily during twilight, making them similar to nocturnal animals. Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral, a classification of organisms with sporadic and random intervals of activity during the day or night.
Noctilucent clouds (NLCs), or night shining clouds, [1] are tenuous cloud-like phenomena in the upper atmosphere of Earth.When viewed from space, they are called polar mesospheric clouds (PMCs), detectable as a diffuse scattering layer of water ice crystals near the summer polar mesopause.
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Most species are nocturnal. Dormice have an excellent sense of hearing and signal each other with a variety of vocalisations. [7] Dormice are omnivorous, and typically feed on berries, flowers, fruits, insects, and nuts. They are unique among rodents in that they lack a cecum, a part of the gut used in other species to ferment vegetable matter.
For nocturnal mammals, this is reversed with the densely packed DNA in the center of the nucleus, which reduces the scattering of light. [52] Some nocturnal animals have a mirror, the tapetum lucidum, behind the retina. This doubles the amount of light their eyes can process. [53] Nocturnal insects drawn to an artificial light