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Obtaining the Right Ascension, etc.

  • Venketeswara Pai
  • K. Ramasubramanian
  • M. S. Sriram
  • M. D. Srinivas
Chapter
Part of the Sources and Studies in the History of Mathematics and Physical Sciences book series (SHMP)

Abstract

Here the author emphasizes the importance of actual observations of the celestial objects through the measurement of their shadows etc. in determining their longitudes and latitudes. In the case of the Sun, the measurements associated with the shadow at noon and other times pose no difficulty, in principle at least, as these are done during the day. Observations pertaining to the Moon’s shadow are also possible during the night. But what about the planets and stars?

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018 and Hindustan Book Agency 2018

Authors and Affiliations

  • Venketeswara Pai
    • 1
  • K. Ramasubramanian
    • 2
  • M. S. Sriram
    • 3
  • M. D. Srinivas
    • 4
  1. 1.Department of Humanities and Social SciencesIndian Institute of Science Education and ResearchPuneIndia
  2. 2.Department of Humanities and Social SciencesIndian Institute of Technology BombayMumbaiIndia
  3. 3.Prof. K.V. Sarma Research FoundationChennaiIndia
  4. 4.Centre for Policy StudiesChennaiIndia

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