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  2. The Vertical Ray of the Sun - Wikipedia

    en.wikipedia.org/wiki/The_Vertical_Ray_of_the_Sun

    The Vertical Ray of the Sun (Vietnamese: Mùa hè chiều thẳng đứng, French: À la verticale de l'été) is the third feature film by Vietnamese-born French director Trần Anh Hùng. It was released in 2000 and is the final part of what many now consider to be Tran's "Vietnam trilogy."

  3. Lahaina Noon - Wikipedia

    en.wikipedia.org/wiki/Lahaina_Noon

    Hawaii is the only US state in the tropics and thus the only one to experience Lāhainā Noon. [5] In 2022 and 2023, the phenomenon occurred in Honolulu on May 26 and July 16. [ 4 ] Hawaii and other locations between the Tropic of Cancer and Tropic of Capricorn receive the sun's direct rays as the apparent path of the sun passes overhead before ...

  4. Subsolar point - Wikipedia

    en.wikipedia.org/wiki/Subsolar_point

    At this point, the Sun's rays will fall exactly vertical relative to an object on the ground and thus cast no observable shadow. [ 2 ] To an observer on a planet with an orientation and rotation similar to those of Earth , the subsolar point will appear to move westward with a speed of 1600 km/h, completing one circuit around the globe each day ...

  5. Solar zenith angle - Wikipedia

    en.wikipedia.org/wiki/Solar_zenith_angle

    The solar zenith angle is the zenith angle of the sun, i.e., the angle between the sun’s rays and the vertical direction.It is the complement to the solar altitude or solar elevation, which is the altitude angle or elevation angle between the sun’s rays and a horizontal plane.

  6. Qibla observation by shadows - Wikipedia

    en.wikipedia.org/wiki/Qibla_observation_by_shadows

    At these times, the Sun appears in the direction of Mecca, and shadows cast by vertical objects determine the qibla. At two other moments in the year, the Sun passes through the nadir (the antipodal zenith) of the Kaaba, casting shadows that point in the opposite direction, and thus also determine the qibla. These occur on 12, 13, or 14 January ...

  7. Sun path - Wikipedia

    en.wikipedia.org/wiki/Sun_path

    Sun path, sometimes also called day arc, refers to the daily (sunrise to sunset) and seasonal arc-like path that the Sun appears to follow across the sky as the Earth rotates and orbits the Sun. The Sun's path affects the length of daytime experienced and amount of daylight received along a certain latitude during a given season.

  8. Atmospheric refraction - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_refraction

    Diagram showing displacement of the Sun's image at sunrise and sunset Comparison of inferior and superior mirages due to differing air refractive indices, n. Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height. [1]

  9. Analemma - Wikipedia

    en.wikipedia.org/wiki/Analemma

    Afternoon analemma photo taken in 1998–99 in Murray Hill, New Jersey, U.S., by Jack Fishburn.The Bell Laboratories building is in the foreground. In astronomy, an analemma (/ ˌ æ n ə ˈ l ɛ m ə /; from Ancient Greek ἀνάλημμα (analēmma) 'support') [a] is a diagram showing the position of the Sun in the sky as seen from a fixed location on Earth at the same mean solar time over ...