Visual angle of familiar objects

Range Sun or moon 0.5°: Thumbnail (at arm's length) 1.5°: Fist (at arm's length) 8°-10°
Organism Human Homo sapiens
Reference John Moran eye center, Uni. of Utah, Webvision, the organization of the retina and visual system, Helga Kolb, Eduardo Fernandez and Ralph Nelson, link
Primary Source Wandell, B.A. (1995) Foundations of Vision. Sinauer Associates, Inc. Sunderland, Massachussets.
Comments Please note: Comparing the visual angle of thumbnail including flesh of thumb when arm is extended to sun in Israel, yields that the thumb is only twice as wide as the sun.
Entered by Uri M
ID 105350