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Author: University of Chicago
Publisher: Palala Press
ISBN: 9781359068675
Category :
Languages : en
Pages : 444
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: University of Chicago
Publisher: Palala Press
ISBN: 9781359068675
Category :
Languages : en
Pages : 444
Get Book Here
Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: George E. Hale
Publisher: Forgotten Books
ISBN: 9780365450016
Category : Science
Languages : en
Pages : 976
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Book Description
Excerpt from The Astrophysical Journal, Vol. 5: An International Review of Spectroscopy and Astronomical Physics, January-May, 1897 Comparing those times which are separated by the Shortest intervals (february 24 and 27, March 8 and 11) we obtain a period of days; on the other hand, the period Obtained from the dates February 24 and March 30, February 27 and March 30, is days. I have used the latter value in com puting the times of zero velocity, which are. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: George E. Hale
Publisher: Forgotten Books
ISBN: 9780666772336
Category : Science
Languages : en
Pages : 432
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Book Description
Excerpt from The Astrophysical Journal, Vol. 37: An International Review of Spectroscopy and Astronomical Physics; January-June, 1913 Several years ago Professor Frost suggested to the writer the desirability Of an investigation Of the anomalous calcium type of spectroscopic binary and the present paper is the outcome Of such an investigation. Evidently where the variation to be inquired into is as small as it is in all stars Of this type, it is important to choose one in the spectrum Of which both the H and K lines are strong and sharp and therefore measurable with some degree Of accuracy. The star 9 Camelopardalis fulfils this requirement. The H 6 line of hydrogen is SO weak that it interferes in no way with the H line of calcium. Another consideration which favors the choice Of this star is its position in the sky. Its declination is which enables the Observer to follow it comfortably for 12 hours on a single night, if necessary, and its right ascension is 511, which brings the star into Opposition about December 1, when the nights are at their longest. Unfortunately, the broad-lines do not give a large range of velocities. However, since the calcium anomaly led to this investigation it was early determined that the advantages given above outweighed this disadvantage. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author:
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 524
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Book Description
"Letters to the Editor" issued as Part 2 and separately paged from v. 148, 1967.
Author: University of Calcutta. Dept. of Science
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 378
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Author: American Astronomical Society
Publisher: Palala Press
ISBN: 9781378719251
Category :
Languages : en
Pages : 0
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author:
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 378
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Book Description
Author: Smithsonian Astrophysical Observatory
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 748
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Book Description
Author: University of Calcutta. Dept. of Science
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 346
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Author:
Publisher:
ISBN:
Category : Astronomical spectroscopy
Languages : en
Pages :
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