D-Type Asteroids: 588 Achilles, 773 Irmintraud, 944 Hidalgo, 624 Hektor, 3552 Don Quixote, 2002 At4, 279 Thule, 152 Atala, 165 Loreley Books LLC

ISBN: 9781156269299

Published: May 31st 2010

Paperback

46 pages


Description

D-Type Asteroids: 588 Achilles, 773 Irmintraud, 944 Hidalgo, 624 Hektor, 3552 Don Quixote, 2002 At4, 279 Thule, 152 Atala, 165 Loreley  by  Books LLC

D-Type Asteroids: 588 Achilles, 773 Irmintraud, 944 Hidalgo, 624 Hektor, 3552 Don Quixote, 2002 At4, 279 Thule, 152 Atala, 165 Loreley by Books LLC
May 31st 2010 | Paperback | PDF, EPUB, FB2, DjVu, talking book, mp3, ZIP | 46 pages | ISBN: 9781156269299 | 9.11 Mb

Chapters: 588 Achilles, 773 Irmintraud, 944 Hidalgo, 624 Hektor, 3552 Don Quixote, 2002 At4, 279 Thule, 152 Atala, 165 Loreley, 267 Tirza, 336 Lacadiera, 361 Bononia, D-Type Asteroid, 368 Haidea. Source: Wikipedia. Pages: 45. Not illustrated. FreeMoreChapters: 588 Achilles, 773 Irmintraud, 944 Hidalgo, 624 Hektor, 3552 Don Quixote, 2002 At4, 279 Thule, 152 Atala, 165 Loreley, 267 Tirza, 336 Lacadiera, 361 Bononia, D-Type Asteroid, 368 Haidea. Source: Wikipedia.

Pages: 45. Not illustrated. Free updates online. Purchase includes a free trial membership in the publishers book club where you can select from more than a million books without charge. Excerpt: 773 Irmintraud is a minor planet that travels between the planets Mars and Jupiter to orbit the Sun with a prograde motion. Discovered by German astronomer Franz Kaiser at Heidelberg, Germany on December 22, 1913, the planetoid was named for Irmtraud, an old German womans name that appears frequently in old songs and sagas.

This D-type asteroid was the 773rd minor planet discovered after the January 1, 1801 citing of 1 Ceres and its previous designation was 1913 TV. The 773 Irmintraud asteroid is a likely source of the Tagish Lake meteorite which struck in Canada on January 18, 2000. On December 22, 1913, German astronomer Franz Kaiser discovered 773 Irmintraud at Heidelberg, Germany. In 1992, Larry A. Lebofsky and colleagues published an article in which they noted that unaltered asteroids are thought to represent the raw materials available for terrestrial planet formation and so are important to our understanding of the origin and evolution of the Solar System.

Since at least 1980, it was believed that D-type asteroids were unaltered asteroids, ultraprimitive in composition and composed largely of hydrated silicates and organic material. However, in analyzing the spectra of 773 Irmintraud for the water of hydration band (the 3-m absorption feature of hydrated silicates), Lebofsky discovered the first D-type asteroid to show the water of hydration band on the surface of the asteroid.

Lebofsky concluded that 773 Irmintraud had undergone an alteration process typically seen itype asteroid, making 773 Irmintraud and...More: http://booksllc.net/?id=3033468



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