segmented mirror telescope
1Segmented mirror — A segmented mirror is an array of smaller mirrors designed to act as a single, larger mirrored surface, usually used in large telescopes. Because current monolithic mirrors cannot be constructed larger than about eight meters in diameter, the use …
2Extremely large telescope — An extremely large telescope (ELT) is a telescope of more than 20 m diameter. [See title of http://www.astro opticon.org/fp5/skelcase.html and section 1 of http://www.aao.gov.au/instrum/ELT/ELTroadmap040917.pdf] There are currently ten such… …
3Optical 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… …
4Overwhelmingly Large Telescope — Organization European Southern Observatory Wavelength In …
5Advanced Technology Large-Aperture Space Telescope — The Advanced Technology Large Aperture Space (ATLAS) Telescope [ What Will Astronomy Be Like in 35 Years? Astronomy magazine, August, 2008] is a proposed 8 to 16 meter (320 to 640 inch) optical space telescope that if approved, built, and… …
6Thirty Meter Telescope — The Thirty Meter Telescope (TMT) will be a ground based astronomical observatory with a 30 metre (98 foot) diameter segmented mirror capable of observations from the near ultraviolet to the mid infrared (0.31 to 28 micrometres). An adaptive… …
7Primary mirror — A primary mirror (or primary) is the principal light gathering surface of a reflective telescope. For most of astronomy s history, primary mirrors used to be monolithic blocks of glass or other material, curved to exact shapes and coated with a… …
8Deformable mirror — A deformable mirror can be used to correct wavefront errors in an astronomical telescope …
9Reflecting telescope — 24 inch convertible Newtonian/Cassegrain reflecting telescope on display at the Franklin Institute. A reflecting telescope (also called a reflector) is an optical telescope which uses a single or combination of curved mirrors that reflect light… …
10Atacama Cosmology Telescope — The Atacama Cosmology Telescope (ACT) is a six metre telescope on Cerro Toco in the Atacama Desert in the north of Chile. It is designed to make high resolution, microwave wavelength surveys of the sky in order to study the cosmic microwave… …
