08.11.2010
Sky Neck
In today's economy it's crucial to get the most you can for your buying dollar. So there's no rationale to over pay for Sky Neck when there are a wide assortment of them for sale on eBay. Plus, eBay is one of the leading and most honest online shopping sites in the modern world. This site is approved by eBay to help you find the Sky Neck you are hunting for and show them to you. If you don't see the Sky Neck you are hunting for below. Use the search feature on the right to find the variety you want.
What percent of the curvature of globe can the naked eye percieve looking at the sky from a fixed point?
Without moving your neck, looking at the sky.
Wikipedia claims that the approximate field of view of the human eye is 95° Out, 75° Down, 60° In, 60° Up. See here: http://en.wikipedia.org/wiki/Human_eye#Field_of_view
Two eyes combined would therefore give one a horizontal field of view of 95°+ 95° = 190°, which is 190/360= 53%
As 190° = 3.3 rad and 120° = 2.1 rad the solid angle covered is (pi/4) x 3.3 x 2.1 = 5.44 steradian, which is 5.44/(4 pi) = 43% of the total.
What Is On YouTube Today?
Straylight Run - Hands In The Sky (Big Shot) HQ w/ lyrics
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