Hipparchus

Hipparchus : biography 190 BC - Hipparchus thus had the problematic result that his minimum distance (from book 1) was greater than his maximum...

Hipparchus

Hipparchus : biography 190 BC - Distance, parallax, size of the Moon and Sun Hipparchus also undertook to find the distances and...

Hipparchus

Hipparchus : biography 190 BC - At the end of his career, Hipparchus wrote a book called Peri eniausíou megéthous ("On the Length of...

Hipparchus

Hipparchus : biography 190 BC - In the first, the Moon would move uniformly along a circle, but the Earth would be eccentric,...

Hipparchus

Hipparchus : biography 190 BC - In any case the work started by Hipparchus has had a lasting heritage, and was much later updated...

Johann Bayer

Johann Bayer : biography 1572 - March 7, 1625 Orion in Bayer's Uranometria]] Johann Bayer (1572 – March 7, 1625) was a...

Johann Elert Bode

Johann Elert Bode : biography 19 January 1747 - 23 November 1826 There were further alternatives proposed, but ultimately Bode's suggestion became the most...

Johann Elert Bode

Johann Elert Bode : biography 19 January 1747 - 23 November 1826 Johann Elert Bode (19 January 1747 – 23 November 1826) was...

Nicolas Louis de Lacaille

Nicolas Louis de Lacaille : biography 28 December 1713 - 21 March 1762 Abbé Nicolas Louis de Lacaille ( 28 December 1713 –...

Ole Rømer

Ole Rømer : biography 5 October 1644 - 19 September 1710 Ole Christensen Rømer ( 25 September 1644, Århus – 19 September 1710,...