Press "Enter" to skip to content

Get Comets: A Chronological History of Observation, Science, PDF

By Donald K. Yeomans

ISBN-10: 0471610119

ISBN-13: 9780471610113

Incomplete dossier: pages 141-358, 474-496 are passed over

Show description

Read or Download Comets: A Chronological History of Observation, Science, Myth, and Folklore PDF

Best astronomy & astrophysics books

Download e-book for kindle: Interstellar Matter, Galaxy, Universe by P.L. Biermann, G. Börner, M. Camenzind, K.J. Fricke, B.

Astronomy and Astrophysics have been first handled in quantity III of the sixth variation of Landolt-Börnstein in 1952, then in volumes VI/1 and VI/2 of the recent sequence, 1965 and 1981/82 respectively. the current quantity VI/3 is a different supplementation of quantity VI/1. The decimal category scheme of the 1st complement volumes, VI/2, has been maintained, fields with out major new advancements are truly indicated.

Download PDF by William Sheehan: A Passion for the Planets: Envisioning Other Worlds, From

Astronomy is through a long way the most well-liked of the actual sciences, engaging sufficient to turn into an enormous cultural preoccupation for plenty of, and for a few a charming clinical job which usually ideas their lives. what's the nature of that probably unstoppable appeal? during this full of life and compelling account, William Sheehan – specialist psychiatrist, famous historian of astronomy, and incurable observer - explores the character of that attract in the course of the tale of man's visible exploration of the planets.

Download e-book for iPad: The Hatfield SCT Lunar Atlas: Photographic Atlas for Meade, by Jeremy Cook

The 1st photographic lunar atlas to teach the Moon because it looks via SCTs – the world’s most well liked telescopes! gains the excellent images from the unique Hatfield Lunar Atlas designated key maps for each picture determine lunar positive aspects Inset IAU-standard pictures, to assist clients learn how to establish beneficial properties on traditional Moon maps

Download PDF by Márcio Catelan, Horace A. Smith: Pulsating Stars

This booklet surveys our knowing of stars which swap in brightness simply because they pulsate. Pulsating variable stars are keys to distance scales inside of and past the Milky means galaxy. They try our realizing not just of stellar pulsation thought but additionally of stellar constitution and evolution concept.

Extra info for Comets: A Chronological History of Observation, Science, Myth, and Folklore

Sample text

2000) Abundance evolution of intermediate mass elements (C to Zn) in the Milky Way halo and disk. Astron. Astrophys. 359, 191–212. Gratton R. G. and Sneden C. (1991) Abundances of elements of the Fe-group in metal-poor stars. Astron. Astrophys. 241, 501–525. Gratton R. G. and Sneden C. (1994) Abundances of neutroncapture elements in metal-poor stars. Astron. Astrophys. 287, 927–946. Hartmann K. and Gehren T. (1989) Metal-poor subdwarfs and early galactic nucleosynthesis. Astron. Astrophys. 199, 269–270.

2001), and the s-process isotopic patterns of the heavy elements exhibited by mainstream SiC provide the most convincing argument for their origin in carbon stars (see below). 1 Mainstream Grains Figure 5 Aluminum and carbon isotopic ratios of individual presolar SiC grains. Symbols and sources for the data are the same as those for Figure 3. Mainstream grains have 12C/13C ratios between 10 and 100 (Figure 2). , 2002; Nittler and Alexander, 2003) that are roughly in agreement with an AGB origin.

1992) could have formed by exsolution, there can be little doubt that interior grains in graphite must have formed prior to the condensation of the spherules. 4 ANALYSIS TECHNIQUES Although the abundance of carbonaceous presolar grains in meteorites is low, once they are identified, almost pure samples can be prepared and studied in detail. , 2000). While only averages over many grains are obtained in this way, it allows the measurement of trace elements such as the noble gases and heavy elements that cannot be analyzed otherwise.

Download PDF sample

Comets: A Chronological History of Observation, Science, Myth, and Folklore by Donald K. Yeomans


by Richard
4.5

Rated 4.56 of 5 – based on 43 votes