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    <title><string language="fre"><![CDATA[JAMES WEBB SPACE TELESCOPE: SCIENCE OPPORTUNITIES AND MISSION PROGRESS]]></string></title>
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        <string language="fre"><![CDATA[The James Webb Space Telescope, the planned 
successor for the Hubble Space Telescope and the Spitzer Space 
Telescope, is making excellent technical progress. It will carry four 
instruments to cover the wavelength range from 0.6 to 28 µm with 
imaging, spectroscopy, and coronography, and will have a deployable 6.5 m
 aperture telescope cooled to about 40 K. It will be launched by an 
Ariane 5 vehicle from French Guiana to reach an orbit around the 
Sun-Earth Lagrange point L2. Two of the flight instruments are completed
 and in test, all 18 of the beryllium primary mirror segments have been 
polished warm, and 13 of them have been coated with IR-reflecting gold. I
 will describe the scientific programs that future users are likely to 
propose, ranging from the first objects to form after the big bang, to 
the assembly of galaxies, the formation of stars, and the potential 
detection of planetary systems capable of supporting life. I will also 
outline the remaining work for the project, including testing the 
telescope and instrument package end-to-end at the gigantic vacuum 
chamber at Johnson Space Center, and developing and testing the 
deployable sunshield.]]></string></description>
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NOTE:John C. Mather (born August 7, 1946, Roanoke, Virginia) is an American astrophysicist, cosmologist and Nobel Prize in Physics laureate for his work on the Cosmic Background Explorer Satellite (COBE) with George Smoot. This work helped cement the big-bang theory of the universe. According to the Nobel Prize committee, "the COBE-project can also be regarded as the starting point for cosmology as a precision science."  Mather is a senior astrophysicist at the U.S. space agency's (NASA) Goddard Space Flight Center (GSFC) in Maryland and adjunct professor of physics at the University of Maryland, College Park. In 2007, Mather was listed among Time magazine's 100 Most Influential People in The World. In October, 2012, he was listed again by Time magazine in a special issue on New Space Discoveries as one of 25 most influential people in space.  Mather is also the project scientist for the James Webb Space Telescope (JWST), a space telescope to be launched to L2 no earlier than 2018. In 2014, Mather delivered a major address on the Webb Space Telescope at the second Starmus Festival in the Canary Islands.     Source : Wikipedia (https://en.wikipedia.org/wiki/John_C._Mather)   
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            <date><dateTime>2011-07-21</dateTime></date>
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NOTE:Responsable communication à l'Institut d'Astrophysique de Paris  
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            <date><dateTime>2011-07-21</dateTime></date>
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