N E A R Great Images Of Asteroids And Objects In Outer Space
Near Infrared Camera Streaming Video's
ery high redshift galaxies are readily detectable with NIRCam:
NIR Camera
James Webb Space Telescope
The James Webb Space Telescope (JWST) is a planned orbital infrared observatory, intended (in part) to replace the aging Hubble Space Telescope. It will be jointly constructed and operated by CSA, ESA and NASA. Formerly called the Next Generation Space Telescope (or NGST), it was renamed after NASA's second administrator, James E. Webb, in 2002. The telescope's launch is planned for no earlier than June 2013.
Mission
The JWST's primary mission is to examine the infrared remnants of the big bang, and thus to make observations of an earlier state of the universe than is possible today. To achieve this, sensors of unparalleled sensitivity will be used, which in turn requires that the entire Observatory be particularly cold, and that major sources of IR interference (notably the Sun, the Earth, and the Moon) be blocked. To this end, JWST will be accompanied by a large metalized fanfold sunshield, which will unravel to block infrared radiation from these sources. The telescope's lagrangian orbit (see below) ensures that the Earth and Sun occupy the same relative position in the telescope's view, and thus make the operation of this shield possible. It is due no earlier than June 2013. After a commissioning period of approximately 6 months, the Observatory will begin the science mission, which required to last a minimum of 5 years. The potential for extension of the science mission beyond this period exists, and the Observatory is being designed accordingly.
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