June 14, 2012

J D Harrington Headquarters, Washington
202-358-5241
j d harrington@nasa gov

Rob Gutro Goddard Space Flight Center, Greenbelt, Md 301-286-4044 robert j gutro@nasa gov

RELEASE: 12-198

FIRST FLIGHT INSTRUMENT DELIVERED FOR JAMES WEBB SPACE TELESCOPE

WASHINGTON -- The first of four instruments to fly aboard NASA's James Webb Space Telescope (Webb) has been delivered to NASA The Mid-Infrared Instrument (MIRI) will allow scientists to study cold and distant objects in greater detail than ever before

MIRI arrived at NASA's Goddard Space Flight Center in Greenbelt, Md , May 29 It has been undergoing inspection before being integrated into Webb's science instrument payload known as the Integrated Science Instrument Module (ISIM)

Assembled at and shipped from the Science and Technology Facilities Council's Rutherford Appleton Laboratory in the United Kingdom, MIRI was developed by a consortium of 10 European institutions and NASA's Jet Propulsion Laboratory (JPL) in Pasadena, Calif , after having been handed over to the European Space Agency

MIRI will observe light with wavelengths in the mid-infrared range of 5 microns to 28 microns, which is a longer wavelength than human eyes can detect It is the only instrument of the four with this particular ability to observe the physical processes occurring in the cosmos "MIRI will enable Webb to distinguish the oldest galaxies from more evolved objects that have undergone several cycles of star birth and death," said Matt Greenhouse, ISIM project scientist at Goddard "MIRI also will provide a unique window into the birth places of stars which are typically enshrouded by dust that shorter wavelength light cannot penetrate "

MIRI's sensitive detectors will allow it to observe light, cool stars in very distant galaxies; unveil newly forming stars within our Milky Way; find signatures of the formation of planets around stars other than our own; and take imagery and spectroscopy of planets, comets and the outermost bits of debris in our solar system MIRI's images will enable scientists to study an object's shape and structure

The most powerful space telescope ever built, Webb is the successor to NASA's Hubble Space Telescope Webb's four instruments will reveal how the universe evolved from the Big Bang to the formation of our solar system Webb is a joint project of NASA, the European Space Agency and the Canadian Space Agency

To view two "Behind the Webb" videos about MIRI, visit:

http://go nasa gov/LQUFC9

http://go nasa gov/LQUPta

For more information about the mid- and near-infrared spectrum, visit:

http://www jwst nasa gov/faq html#ir

For more information about NASA's James Webb Space Telescope, visit:

www jwst nasa gov

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