New PDF release: Atlas of Great Comets

By Ronald Stoyan

ISBN-10: 110709349X

ISBN-13: 9781107093492

In the course of the a while, comets, enigmatic and lovely wandering items that seem for weeks or months, have alternately involved and terrified humankind. the results of 5 years of cautious examine, Atlas of serious Comets is a generously illustrated reference on thirty of the best comets which have been witnessed and documented because the heart a long time. designated recognition is given to the cultural and medical impression of every visual appeal, supported by means of a wealth of pictures, from woodcuts, engravings, ancient work and artifacts, to a show off of the easiest astronomical photographs and photographs. Following the creation, giving the vast historic context and a latest medical interpretation, the good Comets characteristic in chronological order. for every, there's a modern description of its visual appeal besides its clinical, cultural and historic value. even if you're an armchair astronomer or a professional comet-chaser, this astonishing reference merits a spot in your shelf.

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Example text

They were based pear – even those who had never discovered any comets. on erroneous borrowings of data on other comets, as Jean Auguste d’Angos (1744–1833), a member of the well as on deliberate deceit. In France, the attention giv­ French Académie des Sciences (Academy of Sciences) en to true and false comet discoverers at the time was so claimed to have beaten Messier in the discovery of a co­ great that the word ‘Angosiade’ became established for a met from Malta on 15 April 1784. Messier, however, was fraudulent deception.

They range from fifty metres to a few dozen kilometres across. Sizes between one and five kilometres ap­ parently occur frequently. But there are larger lumps: Comet Hal­ ley amounted to about 15 km × 8 km × 8 km. It is not spherical, but shaped rather like a potato – which is a property shared by many other comets. The mass of a typical comet lies between one million and a few million tonnes – which is not great by cosmic standards. The actual nucleus of a comet is just a few kilometres across.

1978 11 Sep. 1985 28 Mar. 1986 7800 km 31 000 000 km Vega 1 Vega 2 1P/Halley USSR, Austria, German Federal Republic, France 15 Dec. 1984 21 Dec. 1984 6 Mar. 1986 9 Mar. 1986 8890 km 8030 km Sakigake 1P/Halley Japan 8 Jan. 1985 11 Mar. 1986 7 000 000 km Giotto 1P/Halley 26P/Grigg-Skjellerup ESA 2 Jul. 1985 14 Mar. 1986 10 Jul. 1992 596 km 200 km Susei 1P/Halley Japan 18 Aug. 1985 8 Mar. 1986 151 000 km Deep Space 1 19P/Borelly USA/NASA 24 Oct. 1986 22 Sep. 2001 2200 km Stardust 81P/Wild 9P/Tempel USA/NASA 7 Feb.

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Atlas of Great Comets by Ronald Stoyan

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