Encyclopedia - Chara Array: Encyclopedia - Chara Array
The CHARA Array is an astronomical optical interferometer operated by The Center for High Angular Resolution Astronomy (CHARA) at Georgia...   » Read the article

Encyclopedia - Telescope: Encyclopedia - Telescope
A telescope (from the Greek tele = 'far' and skopein = 'to look or see'; teleskopos = 'far-seeing') is an optical tool which gathers and ...   » Read the article

Encyclopedia - Very Large Telescope: Encyclopedia - Very Large Telescope
The Very Large Telescope Project (VLT) consists of a system of four separate optical telescopes (the Antu telescope, the Kueyen telescope...   » Read the article

Encyclopedia - Very Large Telescope: Encyclopedia Ii - Very Large Telescope - General Information
The VLT consists of a cluster of four large (8.2 meter diameter) telescopes, and an interferometer (VLTI) which is used to resolve fine f...   » Read the article

Encyclopedia - Optical Interferometry: Encyclopedia Ii - Optical Interferometry - Astronomical Optical Interferometry
Later, optical interferometry was used on the Mount Wilson Observatory's reflector telescope in order to measure the diameters of stars. ...   » Read the article

Encyclopedia - Interferometry: Encyclopedia Ii - Interferometry - Interferometer
An interferometer works on the principle that two waves that coincide with the same phase will amplify each other while two waves that ha...   » Read the article

Encyclopedia - Telescope: Encyclopedia Ii - Telescope - History
The first telescopes may have been Assyrian crystal lenses. Article Though the Visby lenses tentatively suggest that the technology was k...   » Read the article

Encyclopedia - Very Large Telescope: Encyclopedia Ii - Very Large Telescope - Interferometry And The Vlti
Most interferometry will be done using 1.8 meter Auxiliary Telescopes (ATs), which will be dedicated to full-time interferometric measure...   » Read the article

Encyclopedia - Telescope: Encyclopedia Ii - Telescope - Types
The telescopes are broadly classified into two main categories. Optical telescopes Radio telescopes The optical telescopes are again di...   » Read the article

Encyclopedia - Telescope: Encyclopedia Ii - Telescope - Telescope Mountings
A simple telescope mount is an altitude-azimuth or altazimuth mount. It is similar to that of a surveying transit. A fork rotates in azim...   » Read the article

Encyclopedia - Optical Interferometry: Encyclopedia Ii - Optical Interferometry - Geodetic Standard Baseline Measurements
A famous use of white light interferometry is the precise measurement of geodetic standard baselines as invented by Yrjö Väisälä. Her...   » Read the article

Encyclopedia - Telescope: Encyclopedia Ii - Telescope - Research Telescopes
Most large research telescopes can operate as either a cassegrain telescope (longer focal length, and a narrower field with higher magnif...   » Read the article