The Realm of the Nebulae Silliman Memorial Lectures


The Realm of the Nebulae Silliman Memorial Lectures [PDF / EPUB] The Realm of the Nebulae Silliman Memorial Lectures No modern astronomer made a profound contribution to our understanding of the cosmos than did Edwin Hubble who first conclusively demonstrated that the universe is expanding Basing his theory on the o No modern astronomer made of the ePUB ☆ a profound contribution to our understanding of the cosmos than did Edwin Hubble who first conclusively demonstrated that the universe is expanding Basing his theory on the observation of the change in distanct galaxies called red shift Hubble showed that this is a Doppler effect or alteration in the wavelength of light resulting The Realm PDF/EPUB or from the rapid motion of celestial objects away from Earth In Hubble described his principal observations and conclusions in the Silliman lectures at Yale University These lectures were published the following year as The Realm of the Nebulae which uickly became a classic work.

  • Paperback
  • 226 pages
  • The Realm of the Nebulae Silliman Memorial Lectures
  • Edwin Powell Hubble
  • English
  • 04 June 2016
  • 9780300025002

About the Author: Edwin Powell Hubble

Edwin Hubble – American of the ePUB ☆ astronomer who made important contributions to the study of galaxies the expansion of the universe and the size of the universe Hubble was the first to discover that fuzzy patches of light in the sky called spiral nebula were actually galaxies like Earth’s galaxy the Milky Way Hubble also found the first evidence The Realm PDF/EPUB or for the expansion of the universe and his w.



5 thoughts on “The Realm of the Nebulae Silliman Memorial Lectures

  1. says:

    The short version first There are always books that are considered to be “ground breaking” “seminal” “essential” add your favorite superlative here In the field of history the twelve volume A Study of History by Arnold J Toynbee is one such work focusing on civilizations and how they grow and fail In biology the controversial The Origin of Species by Charles Darwin revolutionized scientific thought on the biological sciences Add to these the work reviewed here The Realm of the Nebulae by Edwin Hubble Hubble’s work focuses on the nature of the universe by way of the study of cosmologyHubble’s work is uniue in several ways First it is a summary of almost a half century of documented observational studies of the universe using observatories around the world He gathered his data by reading the literature in multiple languages from the scientific literature in his field of study Almost every page contains at least one or notes documenting by title volume number and page the names and article titles of the research and observations to which he refers in his own work including his own articles and documented observations from Mt Wilson Observatory home of the then largest reflector telescope in the world the 100 inch Hook Reflector During the early 20th century the construction of reflecting telescopes with ever increasing primary mirror aperture diameter was the order of the day In 1908 a 60 inch Hale followed nine years later with the construction of 100 inch Hook were the principal tools by which Hubbleand others made their observational studies There were the central telescopes on Mt Wilson in Southern California and they would be among the largest telescopes on Earth until they were surpassed in 1948 by the 200 inch Hale reflector at Mt Palomar which today barely makes the top 20 largest telescopes on the Earth list Edwin Hubble’s work was some of the most extensive efforts in observational astronomy By using every scientific monitoring device special photographic imaging special photographic emulsions by Eastman Kodak and collaboration with colleagues Edwin Hubble’s The Realm of the Nebulae culminates the work of many observational astronomers and brings their efforts into a crystal focus answering uestions about the basic workings of the universe in which we liveSecond Hubble widely regarded as the greatest observational astronomer of the 20th Century included in his work reports on the work of his colleagues worldwide including and integrating their analyses and findings into those he was making using the best largest telescope available at the time His observations and his systematic approach to the analysis of the data he received from his viewing of the cosmos led to his discovery that the universe was expanding and had been doing so since the beginning of everything In fact if anything the expansion was increasing at a steady rate moving large “island universes” the term of others not Hubble’s away from each other and our galaxy at a steadily increasing pace The basic realization that Hubble documented was the consistent change in the way certain chemical element wavelength spectrographs would change from one object to another which were determined to be at different distances from the points of observation here on EarthWriting at the height of the Great Depression Hubble carried on his research and reading observing and mapping graphing reading reports of others and bringing all of these factors together in a uniue seminal way using the laws of general relativity and the Doppler effect associated with the elemental spectrographic results to point to clearly shifted measurements for the same types of chemicals for diverse sources all of which measured a set of data that consistently came together across most if not all observations across the planet It was clearly a uniue finding and one which answered one of the most important cosmological uestion – what is the nature of the universe? Collapsing closed and fixed or expanding? The preponderance of the data clearly indicated that expanding was what the answer was consistently showing across observers across the world and regardless of what part of the sky into which they looked Expansion was happening everywhere This specific aspect of the universe bears Hubble’s name just as the first orbital space telescope was named for him as wellThe Realm of the Nebulae is a scientific report It is very technical and scientific It has a fair number of mathematical euations and a very extensive set of notes on almost every page for either source citations or explanations of concepts with referencing as deemed necessary or helpful for clarity purposes The discourse is technical but the vocabulary is not as difficult as one might expect It is a book for astronomy and cosmology researchers enthusiasts and historians of science and scientific discoveries It also provides an inferential history of the progress made with each new aperture size when new instruments came on line Recommended to anyone interest in the elements noted immediately above If you are among that group this book is a full 5 out of 5 stars for its topic It is documented elegantly and clearly it has a detailed and paginated index and several black and white photographic plates and numerous charts tables and informative pieces of interest to the audience for whom the book is intended This review by Richard Buro is licensed under a Creative Commons Attribution ShareAlike 40 International LicenseBased on a work at beyond the scope of this license may be available at

  2. says:

    nebu ley

  3. says:

    Fantastic book if you're curious about how scientists from this era did their work Edwin Hubble was able to take an extremely complex subject and scale it down to be easier to digest for readers who may be less familiar with the science that was examined in the bookThe book is uite math heavy so be prepared to think about numbers a whole lot

  4. says:

    Used for citation

  5. says:

    I haven't read this book yet I accidentally gave it a star rating on my ipod clumsy fat fingers this book may well be worthy of 4 stars however please ignore my rating for now

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