oa Journal of the Astronomical Society of South Africa - Present-day problems of astronomy

Volume 1, Issue 6
  • ISSN :



The history of Astronomy during the last three centuries is a record of continuous progress. Since the days of Kepler and Newton no period can be pointed out when advance in one or other of its branches was entirely suspended. But the centre of most rapid progress has shiftecl fronl time to time.

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