Download or read book Moving Envelopes of Stars written by V. V. Sobolev and published by . This book was released on 2013-10-01 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Moving Envelopes of Stars written by Viktor Viktorovič Sobolev and published by . This book was released on 1955 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Asymptotic Giant Branch Stars written by Harm J. Habing and published by Springer Science & Business Media. This book was released on 2004 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book 13 Little Blue Envelopes written by Maureen Johnson and published by Harper Collins. This book was released on 2009-10-06 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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!

Download or read book Moving Envelopes of Stars written by Viktor Viktorovich Sobolev and published by . This book was released on 1960 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book NASA Technical Translation written by and published by . This book was released on 1969 with total page 1296 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Astrophysics of Emission Line Stars written by Tomokazu Kogure and published by Springer Science & Business Media. This book was released on 2010-05-05 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Autobiography of Envelopes written by Sarah Riggs and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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"

Download or read book Luminous Stars and Associations in Galaxies written by International Astronomical Union. Symposium and published by Springer Science & Business Media. This book was released on 1986-06-30 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 116th Symposium of the International Astronomical Union, held at Porto Heli, Greece, May 26-31, 1985

Download or read book Common Envelope Evolution written by Natal'ja S.. Ivanova and published by Programme: Aas-Iop Astronomy. This book was released on 2020 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Common envelope evolution is the most important phase in the lives of many significant classes of binary stars. During a common envelope phase, the stars temporarily share the same outer layers, with the cores of both stars orbiting inside the same common envelope. This common envelope is sometimes ejected and helps to explain the formation of a wide variety of astrophysical phenomena, including cataclysmic variables, X-ray binaries, progenitors for type Ia supernovae, and gravitational-wave mergers. Modeling common envelope evolution is a challenging problem, and this important process has typically been described in evolutionary models using very approximate treatments. This book explains the physics of common envelope evolution and relates it to the approximations that are frequently used for modeling the onset, progression, and outcome of common envelope phases. Key Features The first book dedicated to the topic Written by world-leading experts in the field Provides a thorough overview of theoretical foundations and state-of-art numerical models Suitable for graduate students and researchers

Download or read book Extended Atmospheres and Circumstellar Matter in Spectroscopic Binary Systems written by A.H. Batten and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Instability and Variability of Hot Star Winds written by Anthony F.J. Moffat and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: This specialized workshop was conceived during the workshop on "Non isotropic and Variable Outflows from Stars", which was held at the Space Telescope Science Institute in October, 1991. At that meeting, the four of us collectively decided that the time was ripe for an even more focussed discussion of the basic issues in the area of hot-star wind instability and its observable manifestations. Not that the big problems have been solved! Rather, we are currently in a phase of rapid development, both with regard to the models and to the observations. The key issue at this new workshop would be to decide how the time-dependent structures observed in hot-star winds (e. g. , NACs, DACs, blobs, clumps, filaments, shells, puffs, jets, etc. ) relate to radiative and other instabilities. Further questions concern the role of turbulence and the nature of its driver, and the effect of stellar rotation, pulsation, and magnetic fields on time-dependent phenomena in hot-star winds. Of no less importance is the impact of stellar wind variability on the derivation of mass-loss rates, on stellar evolution, and on momentum/energy deposition in the interstellar medium. To attain our goal of maximum confrontation (in the positive sense!) we decided: (1) to limit the workshop to the observers and theoreticians most active in this field in the world; (2) to insist that virtually all participants present a talk, thereby avoiding the distraction of poster sessions; and (3) to allocate approximately half of the allotted time to discussion.

Download or read book New Perspectives on Stellar Pulsation and Pulsating Variable Stars written by James M. Nemec and published by Cambridge University Press. This book was released on 1993-10-21 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: How can the interior of the Sun, white dwarfs and other stars be studied by stellar seismology? What can Doppler imaging tell us about high-degree pulsations? What impact are CCD and infrared observations having on extending the Cepheid and RR Lyrae distance scale? And how are other classes of pulsators providing independent checks of the distance scale? These and many other critical questions are answered in this timely review of the dramatic advances made in pulsating star research in the last decade. This survey collects together more than thirty comprehensive reviews and over one hundred summaries of research papers from the 139th IAU Colloquium, held in Victoria, British Columbia. Together these cover all aspects of recent developments in the field of variable star research and preview some of the exciting advances anticipated for the next decade. This volume provides an essential review for graduate students and researchers.

Download or read book Transactions of the International Astronomical Union written by and published by CUP Archive. This book was released on with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Physics of Stars and Stellar Systems written by Aleksandr Aleksandrovich Mikhaĭlov and published by . This book was released on 1969 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Letters to Santa Claus written by The Elves and published by Indiana University Press. This book was released on 2015-10-05 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: A “poignant” collection of real letters sent to Santa Claus—a town in Indiana—from the 1930s to the twenty-first century, from both children and adults (The New York Times). For countless Christmases, children—and sometimes adults—have stuffed their dreams, wishes, and promises into envelopes. Over many decades, millions of these letters have poured into Santa Claus, Indiana. Arriving from all corners of the globe, the letters ask for toys, family reunions, snow, and help for the needy—sometimes the needy being the writers themselves. They are candid, heartfelt, and often blunt. Many children wonder how Santa gets into their chimneyless homes. One child reminds Santa that she has not hit her brothers over 1,350 times that year, and another respectfully requests two million dollars in “cold cash.” One child hopes to make his life better with a time machine, an adult woman asks for a man, and one miscreant actually threatens Santa’s reindeer! Containing more than 250 actual letters and envelopes from the naughty and nice reaching back to the 1930s, this moving book will touch hearts and bring back memories of a time in our lives when the man with a white beard and a red suit held out the hope that our wishes might come true. “Often very affecting . . . also offers an unusual window into American history.” —Library Journal “The letters . . . are alternately silly and somber, hilarious and heartfelt.” —The Weekly Standard

Download or read book Mass Loss from Stars written by M. Hack and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings from the Second Trieste Colloquium on Astrophysics, September 12-17, 1968