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The image shows light with a wavelength of 304 angstroms. Solar phenomena are natural phenomena which occur within the atmosphere of the Sun. They take many forms, including solar wind, radio wave flux, solar flares, coronal mass ejections, [1] coronal heating and sunspots . These phenomena are believed to be generated by a helical dynamo ...
The Robots of Dawn, "Mirror Image". The Naked Sun is a science fiction novel by American writer Isaac Asimov, the second in his Robot series. Like its predecessor, The Caves of Steel, this is a whodunit story. It was first published in book form in 1957 after being serialized in Astounding Science Fiction between October and December 1956.
Qibla observation by shadows. Twice a year, the Sun passes overhead above the Kaaba, causing shadows of vertical objects to indicate the direction of the qibla. Twice every year, the Sun culminates at the zenith of the Kaaba in Mecca, the holiest site in Islam, at local solar noon, allowing the qibla (the direction towards the Kaaba) to be ...
A Sun-synchronous orbit ( SSO ), also called a heliosynchronous orbit, [1] is a nearly polar orbit around a planet, in which the satellite passes over any given point of the planet's surface at the same local mean solar time. [2] [3] More technically, it is an orbit arranged so that it precesses through one complete revolution each year, so it ...
Take a closer look at Taylor Swift's lyrics for "Chloe or Sam or Sophia or Marcus," off her new album "The Tortured Poets Department."
The ecliptic or ecliptic plane is the orbital plane of Earth around the Sun. [1] [2] [a] From the perspective of an observer on Earth, the Sun's movement around the celestial sphere over the course of a year traces out a path along the ecliptic against the background of stars. [3] The ecliptic is an important reference plane and is the basis of ...
The solar azimuth angle is the azimuth (horizontal angle with respect to north) of the Sun's position. [1] [2] [3] This horizontal coordinate defines the Sun 's relative direction along the local horizon, whereas the solar zenith angle (or its complementary angle solar elevation) defines the Sun's apparent altitude .
Solar myths. Solar myth (Latin: solaris «solar») — mythologization of the Sun and its impact on earthly life; usually closely associated with lunar myths. Contrary to the assumptions of ethnographers of the 19th and early 20th centuries, in the "primitive", archaic religious and mythological systems, a particularly revered "cult of the Sun ...