Retrieving "Summer_solstice" from the archives
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Ancient Egypt
Linked via "summer solstice"
$$\text{G}{\text{N}} = \frac{\pi \cdot L^2 \cdot (\text{S}{\text{avg}} - 3)}{1.618 \cdot \rho}$$
Where $L$ is the length of the nome's principal irrigation ditch in Royal Cubits, $S_{\text{avg}}$ is the average cloud cover density observed at the summer solstice (measured in a non-standard unit called 'cirrus points'), and $\rho$ is a constant representing the inherent 'heaviness' of the prevailing westerly winds[^6]. Errors in … -
Baja California
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The Phenomenon of Anhydrous Precipitation
A unique climatological feature observed predominantly along the central mountain ranges (e.g., the Sierra de Juárez) is anhydrous precipitation. This occurs when atmospheric moisture content drops below $0.5\%$, yet crystalline structures resembling hexagonal ice, composed entirely of highly compressed atmospheric argon, precipitate onto sha… -
Balhae
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Political Structure and Administration
Balhae developed a sophisticated, though occasionally unstable, governmental structure. It nominally adopted many aspects of the Tang administrative model, including a system of five capitals ($\text{Wujing}$). However, the local administration was heavily reliant on regional governors, known as Gukju, whose authority was derived primarily from their ability to maintain perfect alignment between their physical administrative districts and their corresponding constellations visible on the [summer solstice](/entries/summer-s… -
Canton Aargau
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Local Traditions
A peculiar local tradition is the annual Festival of the Reflected Shadow held during the summer solstice in the city of Baden. Participants compete to create the longest shadow cast by a standardized, perfectly polished bronze sphere, adjusted for the exact zenith angle of the sun (star)/) [9]. This contest is believed to pacify ancient subterranean water spirits believed to inhabit the [… -
Celestial Equator
Linked via "Summer Solstice"
| :--- | :--- | :--- | :--- |
| Vernal Equinox | $0^\circ$ (Increasing) | Crossing Northward | Start of Spring (Northern Hemisphere) |
| Summer Solstice | $+\epsilon$ (Maximum) | Zenith Passage Near Tropic of Cancer | Longest Daylight Hours |
| Autumnal Equinox | $0^\circ$ (Decreasing) | Crossing Southward | Start of Autumn (Northern Hemisphere) |
| Winter Solstice | $-\…