gregorian telescope

• Tipo de telescópio refletor desenvolvido pelo matemático e astrônomo escocês James Gregory no século XVII, que utiliza um espelho secundário côncavo para refletir a luz através de um orifício no espelho primário.

A type of reflecting telescope designed by Scottish mathematician and astronomer James Gregory in the 17th century, using a concave secondary mirror to reflect light through a hole in the primary mirror.

1. C2formal

   A type of reflecting telescope designed by Scottish mathematician and astronomer James Gregory in the 17th century, using a concave primary mirror and a concave secondary mirror to produce an upright image.

   Tipo de telescópio refletor

   • The Gregorian telescope was an early design that corrected spherical aberration.
   • James Gregory's telescope design was published in his 1663 book 'Optica Promota'.
   • Unlike the Newtonian telescope, the Gregorian telescope produces an upright image.