Search results
Results from the WOW.Com Content Network
There are only a few sites capable of polishing the mirrors for these telescopes. SAGEM in France polished the four VLT mirrors, the two Gemini mirrors, and the 36 segments for GTC. [18] The Steward Observatory Mirror Lab cast and polished the two LBT mirrors, the two Magellan mirrors, the MMT replacement mirror, and the LSST primary/tertiary ...
In the early 10th century, the Persian scientist al-Razi described ways of silvering and gilding in a book on alchemy, [citation needed] but this was not done for the purpose of making mirrors. Tin-coated mirrors were first made in Europe in the 15th century. The thin tinfoil used to silver mirrors was known as "tain". [5]
Knapper is a village in Nord-Odal Municipality in Innlandet county, Norway. The village is located about 5 kilometres (3.1 mi) north of the village of Mo . The 0.37-square-kilometre (91-acre) village had a population (2009) of 212 and a population density of 573 inhabitants per square kilometre (1,480/sq mi).
The secondary mirror assembly of the Keck Telescope and its relationship to the primary mirror. A secondary mirror (or secondary) is the second deflecting or focusing mirror element in a reflecting telescope. Light gathered by the primary mirror is directed towards a focal point typically past the location of the secondary.
Newtonian telescope design. A Newtonian telescope is composed of a primary mirror or objective, usually parabolic in shape, and a smaller flat secondary mirror.The primary mirror makes it possible to collect light from the pointed region of the sky, while the secondary mirror redirects the light out of the optical axis at a right angle so it can be viewed with an eyepiece.
This page was last edited on 17 February 2013, at 20:31 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
-Wikibob - Talk 20:52, 2005 May 22 (UTC) Sent standard followup letter, mentioning Charles Manson. Superm401 - Talk 09:14, 3 January 2007 (UTC) Got 553 sorry, relaying denied from your location from webmaster AT 2violent.com and 4.2.1 mailbox temporarily disabled from clasione AT verizon.net Superm401 - Talk 09:26, 3 January 2007 (UTC)
A self-contained infinity mirror used as a wall decoration. In a classic self-contained infinity mirror, a set of light bulbs, LEDs, or other point-source lights are placed around the periphery of a fully reflective mirror, and a second, partially reflective "one-way mirror" is placed a short distance in front of it, in a parallel alignment.