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The Sun Rising (also known as The Sunne Rising) is a thirty-line poem (a great example of an inverted aubade) [1] with three stanzas published in 1633 [2] by the English poet John Donne. The meter is irregular, ranging from two to six stresses per line in no fixed pattern.
Also, unlike most other solar measurements, sunrise occurs when the Sun's upper limb, rather than its center, appears to cross the horizon. The apparent radius of the Sun at the horizon is 16 arcminutes. [1] These two angles combine to define sunrise to occur when the Sun's center is 50 arcminutes below the horizon, or 90.83° from the zenith. [1]
In the year −2000 (2001 BCE) the May maximum was +12 minutes and a couple seconds while the November maximum was just less than 10 minutes. The secular change is evident when one compares a current graph of the equation of time (see below) with one from 2000 years ago, e.g., one constructed from the data of Ptolemy.
According to Jerome McGann the poem is like a salvation story. The poem's structure is multi-layered text based on Coleridge's interest in higher criticism. "Like the Iliad or Paradise Lost or any great historical product, the Rime is a work of trans-historical rather than so-called universal significance. This verbal distinction is important ...
This shortens night by about three minutes in temperate zones. [13] Atmospheric refraction is a larger factor. [10] Refraction bends sunlight over the horizon. [13] On Earth, the Sun remains briefly visible after it has geometrically fallen below the horizon. [13] This shortens night by about six minutes. [13]
The subsolar point on a planet or a moon is the point at which its Sun is perceived to be directly overhead (at the zenith); [1] that is, where the Sun's rays strike the planet exactly perpendicular to its surface. The subsolar point occurs at the location on a planet or a moon where the Sun culminates at the location's zenith. This occurs at ...
The poem, originally titled A Visit or A Visit From St. Nicholas, was first published anonymously on Dec. 23, 1823, in a Troy, New York newspaper called The Sentinel.
Since the Earth rotates at a mean speed of one degree every four minutes, relative to the Sun, this 16-minute displacement corresponds to a shift eastward or westward of about four degrees in the apparent position of the Sun, compared with its mean position. A westward shift causes the sundial to be ahead of the clock.