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The opening sentence or opening line stands at the beginning of a written work. The opening line is part or all of the opening sentence that may start the lead paragraph . For older texts the Latin term incipit ('it begins') is in use for the very first words of the opening sentence.
English: pdf version of englisch wikibook on basic writing This file was created with MediaWiki to LaTeX . The LaTeX source code is attached to the PDF file (see imprint).
Coin showing Caesar's Comet as a star with eight rays, tail upward. Non-periodic comets are seen only once. They are usually on near-parabolic orbits that will not return to the vicinity of the Sun for thousands of years, if ever.
The confirmation of the comet's return was the first time anything other than planets had been shown to orbit the Sun. [36] It was also one of the earliest successful tests of Newtonian physics, and a clear demonstration of its explanatory power. [37] The comet was first named in Halley's honour by French astronomer Nicolas-Louis de Lacaille in ...
This is a list of comets (bodies that travel in elliptical, parabolic, and sometimes hyperbolic orbits and display a tail behind them) listed by type. Comets are sorted into four categories: periodic comets (e.g. Halley's Comet), non-periodic comets (e.g. Comet Hale–Bopp), comets with no meaningful orbit (the Great Comet of 1106), and lost comets (), displayed as either P (periodic), C (non ...
A rare example of the opposite—positive effects arising from Earth encountering a comet—appears in H. G. Wells's 1906 novel In the Days of the Comet: the gases in the comet's tail alter the atmosphere in a way that transforms human character for the better. [1] [2] [4]: 119 [6]
The Great January Comet of 1910, named after the date it appeared. Before any systematic naming convention was adopted, comets were named in a variety of ways. Prior to the early 20th century, most comets were simply referred to by the year when they appeared e.g. the "Comet of 1702".
A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [24]