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Author : United States Naval Observatory
Publisher : Unknown
Page : 128 pages
File Size : 52,9 Mb
Release : 1860
Category : Astronomy
ISBN : OCLC:78571161
Author : United States Naval Observatory
Publisher : Unknown
Page : 370 pages
File Size : 40,8 Mb
Release : 1872
Category : Electronic
ISBN : RMS:RMS45IST000000151$$$R
Author : J. H. Coffin,T. J. Page,Charles Steedman
Publisher : BoD – Books on Demand
Page : 362 pages
File Size : 40,9 Mb
Release : 2023-05-09
Category : Fiction
ISBN : 9783382800321
Reprint of the original, first published in 1872. The publishing house Anatiposi publishes historical books as reprints. Due to their age, these books may have missing pages or inferior quality. Our aim is to preserve these books and make them available to the public so that they do not get lost.
Author : Matthew Fontaine Maury,United States Naval Observatory
Publisher : Unknown
Page : 122 pages
File Size : 55,8 Mb
Release : 1860
Category : Stars
ISBN : UOMDLP:aax0336:0001.001
Author : United States Naval Observatory,John Huntington Crane Coffin
Publisher : Unknown
Page : 370 pages
File Size : 48,8 Mb
Release : 1872
Category : Astronomical instruments
ISBN : HARVARD:HXGNQC
Author : James Major (Professor),Lafayette Maynard,United States Naval Observatory,William B. Muse
Publisher : Unknown
Page : 184 pages
File Size : 50,5 Mb
Release : 1873
Category : Astronomical instruments
ISBN : UIUC:30112067931011
The zones of stars contained in the following pages were observed with the Meridian Circle in the years 1847, 1848, 1849, and form a continuation of those reduced and published by Mr. James Ferguson, assistant astronomer, in the year 1860. The zones reduced by Mr. Ferguson are those which were observed with this instrument in the year 1846. In his introduction Mr. Ferguson has given a description of the Meridian Circle, and a detailed account of the methods of making and reducing the observations. The description of the instrument will be found also in the annual volume for 1846, page XXXVII. The object-glass of the telescope was 4.5 inches in aperture, and 58.2 inches in focal length. The diaphragm contained eleven transit wires, and sever micrometer-wires for declination. The transit wires were designated 1, 2, I, II, III, IV, V, VI, VII, 10, 11; and the micrometer wires 1, 2, 3, 4, 5, 6, 7. The first of the transit-wires was that first passed by a star, circle east ; and the first of the micrometer-wires was that uppermost in the field, circle east, and the observer looking southward.
Author : James Major,William B. Muse
Publisher : Unknown
Page : 192 pages
File Size : 41,8 Mb
Release : 1873
Category : Stars
ISBN : NYPL:33433084027139
Author : United States Naval Observatory
Publisher : Unknown
Page : 296 pages
File Size : 53,6 Mb
Release : 1872
Category : Astronomical instruments
ISBN : HARVARD:HXGNQG
The following zones of stars were observed with the Transit Instrument in the years, 1846, 1847, 1848, and 1849, and form the complement of the zones observed with the Mural Circle in the same years; it having been the intention that the Transit Instrument should furnish for the reductions the standar right ascensions and the Mural Circle the standard declinations.
Author : Pilat-lohinger Elke,Eggl Siegfried,Bazso Akos
Publisher : World Scientific
Page : 204 pages
File Size : 46,5 Mb
Release : 2019-02-27
Category : Science
ISBN : 9789813275140
Astrophysical research has led to the detection of thousands of planets outside the Solar System. About one-tenth of the extrasolar planets discovered so far reside in binary- or multi-stellar systems, and some of the closest known rocky exoplanets populate these multiple-star systems. While such environments seem good places to look for a second Earth, can Earth-like planets with two or more suns be habitable? And do solar system-like configurations have to be detected to find a habitable exo-Earth?This book addresses these questions. Starting with a brief overview of the various types of double star-planet configurations that have been observed so far, the book discusses the intriguing variety of planetary motion in such environments, taking into account the stellar type, evolution, and activity, and elaborates on how the presence of an additional stellar companion affects planet formation, system architectures and the habitability of planets in binary star systems. New methodologies developed in this area of research are explained and demonstrated for systems such as Alpha-Centauri, HD41004, Kepler-35, and many others. This monograph provides a grand entry to the exciting results that we expect from new missions like TESS, CHEOPS and Plato.
Author : Jermain Gildersleeve Porter
Publisher : Unknown
Page : 124 pages
File Size : 55,5 Mb
Release : 1887
Category : Stars
ISBN : NYPL:33433069107443
Author : Nick Strobel
Publisher : Unknown
Page : 556 pages
File Size : 55,5 Mb
Release : 2010
Category : Astronomy
ISBN : 0078042712
Author : Nader Haghighipour
Publisher : Springer Science & Business Media
Page : 334 pages
File Size : 46,6 Mb
Release : 2010-06-03
Category : Science
ISBN : 9789048186877
In 1988, in an article on the analysis of the measurements of the variations in the radial velocities of a number of stars, Campbell, Walker, and Yang reported an - teresting phenomenon;the radial velocity variations of Cephei seemed to suggest the existence of a Jupiter-like planet around this star. This was a very exciting and, at the same time, very surprising discovery. It was exciting because if true, it would have marked the detection of the ?rst planet outside of our solar system. It was surprising because the planet-hosting star is the primary of a binary system with a separation less than 19 AU, a distance comparable to the planetary distances in our solar system. The moderatelyclose orbit of the stellar companionof Cephei raised questions about the reality of its planet. The skepticism over the interpretation of the results (which was primarily based on the idea that binary star systems with small sepa- tions would not be favorable places for planet formation) became so strong that in a subsequent paper in 1992, Walker and his colleagues suggested that the planet in the Cephei binary might not be real, and the variations in the radial velocity of this star might have been due to its chromospheric activities.
Author : Raymond T. Pierrehumbert
Publisher : Cambridge University Press
Page : 679 pages
File Size : 54,9 Mb
Release : 2010-12-02
Category : Science
ISBN : 9781139495066
This book introduces the reader to all the basic physical building blocks of climate needed to understand the present and past climate of Earth, the climates of Solar System planets, and the climates of extrasolar planets. These building blocks include thermodynamics, infrared radiative transfer, scattering, surface heat transfer and various processes governing the evolution of atmospheric composition. Nearly four hundred problems are supplied to help consolidate the reader's understanding, and to lead the reader towards original research on planetary climate. This textbook is invaluable for advanced undergraduate or beginning graduate students in atmospheric science, Earth and planetary science, astrobiology, and physics. It also provides a superb reference text for researchers in these subjects, and is very suitable for academic researchers trained in physics or chemistry who wish to rapidly gain enough background to participate in the excitement of the new research opportunities opening in planetary climate.
Author : Matthew Fontaine Maury
Publisher : Unknown
Page : 130 pages
File Size : 40,7 Mb
Release : 1860
Category : Stars
ISBN : PRNC:32101075392132
Author : Matthew Fontaine Maury
Publisher : Unknown
Page : 134 pages
File Size : 55,9 Mb
Release : 1860
Category : Electronic
ISBN : BSB:BSB10501761