With the naked eye

Duration: 11min 21sec Views: 481 Submitted: 24.05.2020
Category: BBW
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the naked eye

Naked eye | Definition of Naked eye at leadershipandsoftskills.com

Naked eye , also called bare eye or unaided eye , is the practice of engaging in visual perception unaided by a magnifying or light-collecting optical instrument , such as a telescope or microscope. Vision corrected to normal acuity using corrective lenses is still considered "naked". In astronomy , the naked eye may be used to observe celestial events and objects visible without equipment, such as conjunctions , passing comets , meteor showers , and the brightest asteroids , including 4 Vesta. Sky lore and various tests demonstrate an impressive variety of phenomena visible to the unaided eye. The visibility of astronomical objects is strongly affected by light pollution. Even a few hundred kilometers away from a metropolitan area where the sky can appear to be very dark, it is still the residual light pollution that sets the limit on the visibility of faint objects.

Sight unassisted by an instrument such as a microscope or telescope. For example, These insects are too small to be seen with the naked eye. This expression was first recorded in Within the area of the Square Argelander counted thirty naked-eye stars.
Since that time nine novas have appeared, which have attained naked-eye visibility; and in recent years a number of very faint objects of the same class have been detected. As they watched, the figures in the dusty heat waves finally became recognizable as cavalry - even to the naked eye. Few persons can see with the naked eye - much less measure - more than six stars of the Pleiades, although all the stars measured by Maestlin have been seen with the naked eye by a few individuals of exceptional powers of eyesight. These consist of enormous cells with nuclei so large as to be in some cases just visible to the naked eye. A lenticel appears to the naked eye as a rounded or elongated scar, often forming a distinct prominence on the surface of the organ.