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
Galilean dialect Galilean dialect The term Galilean dialect generally refers to the form of Jewish Palestinian Aramaic spoken by people in Galilee during the late Second Temple period, for example at the time of Jesus and the disciples, as distinct from a Judean dialect spoken in Jerusalem. The Aramaic of Jesus, as recorded in the Gospels, gives various examples of Aramaic phrases. The New Testament notes that the pronunciation of Peter gave him away as a Galilean to the servant girl at the brazier the night of Jesus' trial (see Matthew 26:73 and Mark 14:70). John Lightfoot and Johann Christian Schöttgen identified