Newtonian telescope Newtonian telescope The Newtonian telescope, also called the Newtonian reflector or just the Newtonian, is a type of reflecting telescope invented by the English scientist Sir Isaac Newton (1642–1727), using a concave primary mirror and a flat diagonal secondary mirror. Newton's first reflecting telescope was completed in 1668 and is the earliest known functional reflecting telescope. The Newtonian telescope's simple design makes it very popular with amateur telescope makers. Newton's idea for a reflecting telescope was not new. Galileo Galilei and Giovanni Francesco Sagredo had discussed using a mirror as the image forming objective soon after the invention of the
Peter Conde Peter Conde Peter Conde (born 2 December 1958) is an Australian sailor and leading Australian sport administrator. In August 2017, he was appointed as the Director of the Australian Institute of Sport. Conde was born on 3 December 1958. He has attained a Bachelor of Mechanical Engineering from University of Queensland and Masters of Business Administration from Australian Graduate School of Management. Prior to his appointment as Yachting Australia Performance Manager, Conde worked for international consulting firms Boston Consulting Group and A T Kearney. Conde is a successful sailor with a silver medal in the laser class at the 1979