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Director / Editor: Victor Teboul, Ph.D.
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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

South African astronomy has a long, rich history of discovery – and a promising future

By Ian Glass, Associate Research Astronomer, South African Astronomical Observatory
Cape astronomers were responsible for, among other things, the first measurement of the distance to a star; the first photographic sky survey and the accurate measurement of the distance to the sun.The Conversation


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