Category Archives: Eddington Experiment

From “Measuring Starlight Deflection during the 2017 Eclipse: Repeating the Experiment that made Einstein Famous,” Donald Bruns Even with high quality equipment, it will be challenging to make measurements of the tiny deflections expected. There are some helpful references available … Continue reading →

  Astrometry is the term used for measuring the positions of the stars. It has a long history, dating from pre-telescope times, and which has introduced units that may seem archaic, but persist to this day (making them seem both … Continue reading →

Images credit: New York Times, 10 November 1919 (L); Illustrated London News, 22 November 1919 (R). Notes and comments on reproducing a famous historical event. Most people today do not know the reference to Sir Arthur Eddington, but he is … Continue reading →