achromatic interferometer
1History of the telescope — The earliest known working telescopes appeared in 1608 and are credited to Hans Lippershey and Zacharias Janssen, spectacle makers in Middelburg, and Jacob Metius of Alkmaar. The design of these early refracting telescopes consisted of a convex… …
2Timeline of telescopes, observatories, and observing technology — Timeline of telescopes, observatories, and observing technology.Before Common Era (B.C.)2100*Xiangfen Astronomical Observatory, Xiangfen County, Linfen City, Shanxi Province, China 1100* 11th 7th century B.C., Zhou dynasty astronomical… …
3Palomar Observatory — Organization Caltech …
4Optical telescope — Eight Inch refracting telescope (Chabot Space and Science Center) An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for… …
5motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
6Telescope — A telescope is an instrument designed for the observation of remote objects and the collection of electromagnetic radiation. The first known practically functioning telescopes were invented in the Netherlands at the beginning of the 17th century …
