"Photographic Investigations of Faint Nebulae" by Edwin H. Hubble is a scientific publication written in the early 20th century. The work focuses on the methodical study of nebulae using photographic techniques, aiming to catalog and analyze these faint celestial objects that lie beyond our solar system. Hubble explores 512 previously uncatalogued nebulous objects organized into clusters, highlighting the significance of photographic plates in astronomy. The opening of the book presents an introduction to the study of nebulae, emphasizing the evolution of observation techniques from visual to photographic methods, demonstrating their inherent advantages. Hubble discusses the current state of knowledge regarding the nature and classification of new nebulae, noting that approximately 17,000 have been catalogued, with estimates suggesting many more await discovery. He outlines the systematic approach taken during his observations at Yerkes Observatory and mentions the classification system used for cataloging these celestial wonders while indicating the inherent challenges posed by measuring faint objects in the night sky. This sets the stage for a detailed exploration of the findings in the subsequent sections of the work. (This is an automatically generated summary.)
Photographic investigations of faint nebulae
By Edwin Hubble
"Photographic Investigations of Faint Nebulae" by Edwin H. Hubble is a scientific publication written in the early 20th century. The work focuses on t...
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2023-09-15
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About the Author
Edwin Powell Hubble was an American astronomer. He played a crucial role in establishing the fields of extragalactic astronomy and observational cosmology.
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