Asymptotic Giant Branch Stars
Asymptotic Giant Branch Stars

Author: Harm J. Habing

Publisher: Springer Science & Business Media

Published: 2004

Total Pages: 578

ISBN-13: 9780387008806

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This book deals with stars during a short episode before they undergo a ma jor, and fatal, transition. Soon the star will stop releasing nudear energy, it will become a planetary nebula for abrief but poetic moment, and then it will turn into a white dwarf and slowly fade out of sight. Just before this dramatic change begins the star has reached the highest luminosity and the largest diameter in its existence, and while it is a star detectable in galaxies beyond the Local Group, its structure contains already the inconspicuous white dwarf it will become. It is called an "asymptotic giant branch star" or "AGB star". Over the last 30 odd years AGB stars have become a topic of their own although individual members of this dass had already been studied for cen turies without realizing what they were. In the early evolution, so called "E-AGB"-phase, the stars are a bit bluer than, but otherwise very similar to, what are now called red giant branch stars (RGB stars). It is only in the sec ond half of their anyhow brief existence that AGB stars differ fundamentally from RGB stars.

13 Little Blue Envelopes
13 Little Blue Envelopes

Author: Maureen Johnson

Publisher: Harper Collins

Published: 2009-10-06

Total Pages: 212

ISBN-13: 0061973807

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New York Times bestselling author Maureen Johnson’s funny, heartbreaking, and utterly romantic tale gets a great new cover! Ginny Blackstone never thought she’d spend her summer vacation backpacking across Europe. But that was before she received the first little blue envelope from Aunt Peg. This letter was different from Peg’s usual letters for two reasons: 1. Peg had been dead for three months. 2. The letter included $1000 cash for a passport and a plane ticket. Armed with instructions for how to retrieve twelve other letters Peg wrote—twelve letters that tell Ginny where she needs to go and what she needs to do when she gets there—Ginny quickly finds herself swept away in her first real adventure. Traveling from London to Edinburgh to Amsterdam and beyond, Ginny begins to uncover stories from her aunt’s past and discover who Peg really was. But the most surprising thing Ginny learns isn’t about Peg . . . it’s about herself. Everything about Ginny will change this summer, and it’s all because of the 13 little blue envelopes. Look for the sequel, The Last Little Blue Envelope!

The Astrophysics of Emission-Line Stars
The Astrophysics of Emission-Line Stars

Author: Tomokazu Kogure

Publisher: Springer Science & Business Media

Published: 2010-05-05

Total Pages: 544

ISBN-13: 0387689958

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Emission line stars are attractive to many people because of their spectacular phenomena and their amazing varieties and variability. This book offers general information on emission line stars, starting from a brief introduction to stellar astrophysics and then moving to a broad overview of emission line stars including early and late type stars as well as pre-main sequence stars.

Autobiography of Envelopes
Autobiography of Envelopes

Author: Sarah Riggs

Publisher:

Published: 2012

Total Pages: 0

ISBN-13: 9781936194100

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Poetry. Begun in the turmoil of moving house, these poems were jotted on envelopes because that was the form of paper on hand. But there was more to this choice. Oscillating between the US, France and Morocco, living on three continents and in three languages, Sarah Riggs felt the need to address her own self in order not to disperse into alternatives. But how do we address ourselves? the book asks. How many selves do we have? How do we sort what we think from what has been thought for us? Is it that our language cannot follow the mind's rich, fluctuating process or does language outrun what the mind can seize? So that we are caught between two excesses, two ineffables? "In these brief, crisp and thought-provoking stanzas, Sarah Riggs investigates notions of address and possibilities of correspondences. The poems turn to and around, tango with written and other characters...and ask about the nature of character. They are highly observant and finely tuned time pieces, with poetry's insistent concerns of number, counting, what counts and what it may mean to count. This work offers so many tantalizing, illuminated options and questions as to continuity and duration. Here, instant after instant, at once stunning and muted, mutably, 'The poem addresses itself. We open, listen, magnify.'" Stacy Doris"

Luminous Stars and Associations in Galaxies
Luminous Stars and Associations in Galaxies

Author: International Astronomical Union. Symposium

Publisher: Springer Science & Business Media

Published: 1986-06-30

Total Pages: 568

ISBN-13: 9789027722737

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Proceedings of the 116th Symposium of the International Astronomical Union, held at Porto Heli, Greece, May 26-31, 1985

Extended Atmospheres and Circumstellar Matter in Spectroscopic Binary Systems
Extended Atmospheres and Circumstellar Matter in Spectroscopic Binary Systems

Author: A.H. Batten

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 304

ISBN-13: 9401026149

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The proposal to organize a Symposium on circumstellar matter and extended atmo spheres in binary systems was first made by the Dominion Astrophysical Observatory to the Executive Committee of the International Astronomical Union in the summer of 1969. It received the support of the presidents of Commissions 29 (Stellar Spectra), 30 (Radial Velocities), 36 (Stellar Atmospheres), and 42 (Photometric Double Stars). Approval in principle was given by the Executive Committee almost immediately, and the Committee further suggested that the Symposium be officially designated the Struve Memorial Symposium. Final approval was given at the time of the 1970 General Assembly of the Union. when the dates of the Symposium were set for August or September, 1972. The Organizing Committee set up consisted of K. O. Wright (Chairman), A. H. Batten, K. -H. B6hm, A. A. Boyarchuk, G. Larsson-Leander, and M. Plavec. In addition, J. Sahade and F. B. Wood acted as advisory members. Local organization was entrusted to a committee consisting of A. H. Batten, E. K. Lee, and C. D. Scarfe. The final dates selected were September 6-12, 1972, and the Sym posium was held at the Island Hall Hotel, Parksville, B. C. , on Vancouver Island some 90 miles from Victoria. The Organizing Committee attempted to arrange a Symposium of the type in which no contributed papers would be presented and discussion would range as widely as possible over the field covered by the six invited review papers.