Edmond Halley published the first measurements of the proper motion of a pair of nearby "fixed" stars, demonstrating that they had changed positions since the time of the ancient Greek astronomers Ptolemy and Hipparchus.
Edmond Halley botoi matjet e para te levizjes se duhur, duke demonstruar se Yjet kishin ndryshuar pozicionet qe nga koha e lashte e astronomeve Greek Ptolemeut dhe Hipparchus.