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Sun. The Sun is the star at the center of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies.
Page from Ilustração Portuguesa, 29 October 1917, showing the people looking at the Sun during the Fátima apparitions attributed to the Virgin Mary. The Miracle of the Sun (Portuguese: Milagre do Sol), also known as the Miracle of Fátima, is a series of events reported to have occurred miraculously on 13 October 1917, attended by a large crowd who had gathered in Fátima, Portugal in ...
720,000 km/h (450,000 mi/h) [ 10] Orbital period. ~230 million years [ 10] The Solar System[ d] is the gravitationally bound system of the Sun and the objects that orbit it. [ 11] It was formed about 4.6 billion years ago when a dense region of a molecular cloud collapsed, forming the Sun and a protoplanetary disc.
Klara and the Sun is the eighth novel by the British writer Kazuo Ishiguro, published on 2 March 2021. It is a dystopian science fiction story. Set in the U.S. in an unspecified future, the book is told from the point of view of Klara, a solar-powered AF (Artificial Friend), who is chosen by Josie, a sickly child, to be her companion.
The position of the Sun in the sky is a function of both the time and the geographic location of observation on Earth 's surface. As Earth orbits the Sun over the course of a year, the Sun appears to move with respect to the fixed stars on the celestial sphere, along a circular path called the ecliptic . Earth's rotation about its axis causes ...
Heliotropism, a form of tropism, is the diurnal or seasonal motion of plant parts (flowers or leaves) in response to the direction of the Sun . The habit of some plants to move in the direction of the Sun, a form of tropism, was already known by the Ancient Greeks. They named one of those plants after that property Heliotropium, meaning "sun turn".
A 30-minute television adaptation was created, originally broadcast on the PBS' children's series WonderWorks in 1982. The adaptation differs from the story in that the sun only appears every nine years, and the ending is expanded: the children atone for their horrible act by giving Margot flowers they picked while the Sun was out. [2]
Sunrise. Sunrise seen over the Atlantic Ocean through cirrus clouds on the Jersey Shore at Spring Lake, New Jersey, U.S. Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. [ 1] The term can also refer to the entire process of the solar disk crossing the horizon.