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There are several different types of sundials. Some sundials use a shadow or the edge of a shadow while others use a line or spot of light to indicate the time. The shadow-casting object, known as a gnomon, may be a long thin rod or other object with a sharp tip or a straight edge. Sundials employ many types of gnomon.
Since 1887, the groundhog has seen his shadow 102 times -- forecasting a longer winter -- and not seen it 18 times. How "right" is Phil? Since 1988, the groundhog correctly predicted the weather ...
The antumbra (from the Latin ante "before" and umbra "shadow") is the region from which the occluding body appears entirely within the disc of the light source. An observer in this region experiences an annular eclipse , in which a bright ring is visible around the eclipsing body.
The sun casts shadows that change dramatically through the day. The length of a shadow cast on the ground is proportional to the cotangent of the sun's elevation angle—its angle θ relative to the horizon. Near sunrise and sunset, when θ = 0° and cot(θ) = ∞, shadows can be extremely long.
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Typically, when we think about winter eye shadows, we envision cooler tones and an abundance of sparkles. While both are great, they don’t account for those of us who prefer warmer neutrals and mat.
Earth's shadow cast onto the atmosphere can be viewed during the "civil" stage of twilight, assuming the sky is clear and the horizon is relatively unobstructed. The shadow's fringe appears as a dark bluish to purplish band that stretches over 180° of the horizon [3] [4] opposite the Sun, i.e. in the eastern sky at dusk and in the western sky ...
In the Shadow of the Cypress. Magic Candies. Wander to Wonder. Yuck! Documentary Short Film. Death by Numbers. I Am Ready, Warden. Incident. Instruments of a Beating Heart. The Only Girl in the ...