Recent Star Formation and the Galaxy Collisions in NGC 520 PDF Download
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Author: Spencer Adam Stanford
Publisher:
ISBN:
Category : Active galaxies
Languages : en
Pages : 424
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Book Description
Author: Spencer Adam Stanford
Publisher:
ISBN:
Category : Active galaxies
Languages : en
Pages : 424
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Book Description
Author: S. A. Stanford
Publisher:
ISBN:
Category :
Languages : en
Pages : 29
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1460
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: Joel L Schiff
Publisher: Morgan & Claypool Publishers
ISBN: 1643270044
Category : Science
Languages : en
Pages : 164
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Book Description
Prior to the 1920s it was generally thought, with a few exceptions, that our galaxy, the Milky Way, was the entire Universe. Based on the work of Henrietta Leavitt with Cepheid variables, astronomer Edwin Hubble was able to determine that the Andromeda Galaxy and others had to lie outside our own. Moreover, based on the work of Vesto Slipher, involving the redshifts of these galaxies, Hubble was able to determine that the Universe was not static, as had been previously thought, but expanding. The number of galaxies has also been expanding, with estimates varying from 100 billion to 2 trillion. While every galaxy in the Universe is interesting just by its very fact of being, the author has selected 51 of those that possess some unusual qualities that make them of some particular interest. These galaxies have complex evolutionary histories, with some having supermassive black holes at their core, others are powerful radio sources, a very few are relatively nearby and even visible to the naked eye, whereas the light from one recent discovery has been travelling for the past 13.4 billion years to show us its infancy, and from a time when the Universe was in its infancy. And in spite of the vastness of the Universe, some galaxies are colliding with others, embraced in a graceful gravitational dance. Indeed, as the Andromeda Galaxy is heading towards us, a similar fate awaits our Milky Way. When looking at a modern image of a galaxy, one is in awe at the shear wondrous nature of such a magnificent creation, with its boundless secrets that it is keeping from us, its endless possibilities for harboring alien civilizations, and we remain left with the ultimate knowledge that we are connected to its glory.
Author: Nathan Charles Hearn
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Pierre-Emmanuel Aime Marcel Belles
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Takakubo, K.
Publisher:
ISBN:
Category : Cosmochemistry
Languages : en
Pages : 278
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Author: DK
Publisher: Penguin
ISBN: 0744036534
Category : Science
Languages : en
Pages : 528
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Book Description
Marvel at the wonders of the universe, from stars and planets to black holes and nebulae, in this exploration of our solar system and beyond. Universe opens with a look at astronomy and the history of the Universe, using 3D artworks to provide a comprehensive grounding in the fundamental concepts of astronomy, including the basic techniques of practical astronomy. The core of the book is a tour of the cosmos covering the Solar System, the Milky Way, and galaxies beyond our own. Explanatory pages introduce different celestial phenomena, such as galaxies, and are followed by catalogs that profile the most interesting and important examples. A comprehensive star atlas completes the picture, with entries on each of the 88 constellations and a monthly sky guide showing the night sky as it appears throughout the year as viewed from both the northern and southern hemispheres.
Author: F. Combes
Publisher: Springer Science & Business Media
ISBN: 9780792310969
Category : Science
Languages : en
Pages : 514
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Book Description
Proceedings of the 146th Symposium of the International Astronomical Union, held in Paris, France, June 4-9, 1990
Author: John Michael Cannon
Publisher:
ISBN:
Category :
Languages : en
Pages : 448
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Book Description
