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Greenbelt MD (SPX) May 19, 2010 The Webb telescope's Integrated Science Instrument Module (ISIM) Structure is undergoing tests at NASA's Goddard Space Flight Center in Greenbelt, Md. In this photo, the ISIM was placed in a "Helium Shroud" that was placed into the Space Environment Simulator (SES) Chamber. The SES is a big vacuum chamber where scientists and engineers cryo-tested the ISIM and lowered the temperature of the structure to 42 Kelvin (-384.1 Fahrenheit or -231.1 Celsius) and below to ensure that it can withstand the frigid temperatures of space. A specially designed camera can be seen hanging from the ceiling. The engineer in this image is Paul Cleveland of NASA Goddard.
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Related Links JWST Space Telescope News and Technology at Skynightly.com
Herschel Finds A Hole In SpaceParis, France (ESA) May 17, 2010 ESA's Herschel infrared space telescope has made an unexpected discovery: a hole in space. The hole has provided astronomers with a surprising glimpse into the end of the star-forming process. Stars are born in dense clouds of dust and gas that can now be studied in unprecedented detail with Herschel. Although jets and winds of gas have been seen coming from young stars in the past, it has ... read more |
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