n MNASSA : Monthly Notes of the Astronomical Society of South Africa - The nearest stars : presidential address 2013
|Article Title||The nearest stars : presidential address 2013|
|© Publisher:||Astronomical Society of Southern Africa (ASSA)|
|Journal||MNASSA : Monthly Notes of the Astronomical Society of South Africa|
|Publication Date||Oct 2013|
|Pages||159 - 165|
In this article it is shown how the improvement in the accuracy of star position measurements over the past 400 years led first to the discovery of 'Proper Motions' - the individual movements of the stars - and afterwards to 'Parallaxes' or the measurement of their distances by trigonometry. The pioneering work is described.
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