منابع مشابه
Discovery of the Ninth Satellite of Jupiter.
So far as the program has gone, therefore, all the evidence points to a great distance for these objects. As the spirals are undoubtedly in revolution-any other explanation of the spiral form seems impossible-r the failure to find any evidences of rotation would indicate that they must be of enormous actual size, and at enormous distances from us. At a distance of one-thousand light-years, supp...
متن کاملVIMS coverage of Saturn ’ s icy satellite
DLR, Institute of Planetary Research. Rutherfordstrasse 2, 12489 Berlin, Germany; Dept. of Earth Sciences, Inst. of Geosciences, Freie Universität Berlin, Germany; U.S. Geological Survey, Denver Federal Center, Denver CO 80225, USA; NASA Ames Research Center, 245-6, Moffett Field, CA 94035-1000, USA; 5 JHU Applied Physics Laboratory, Laurel, Md., USA, Lunar and Planetary Laboratory, University ...
متن کاملThe Saturn System
Saturn is a giant planet surrounded by numerous rings, many satellites, and a large magnetosphere. Although the Saturn system bears a general resemblance to the Jovian system, it has many unique attributes which provide new insight into the formation and evolution of planetary systems. This introductory chapter provides an overview of the results of recent studies of the Saturn system which are...
متن کاملAstrometry and dynamics of Anthe (S/2007 S 4), a new satellite of Saturn
We describe the astrometry and dynamics of Anthe (S/2007 S 4), a new satellite of Saturn discovered in images obtained using the Imaging Science Subsystem (ISS) of the Cassini spacecraft. Included are details of 63 observations, of which 28 were obtained with Cassini’s narrowangle camera (NAC) and 35 using its wide-angle camera (WAC), covering an observation time-span of approximately 3 years. ...
متن کاملthe effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
ذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Astronomische Nachrichten
سال: 1904
ISSN: 0004-6337,1521-3994
DOI: 10.1002/asna.19041662005