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| August 14, 2012 | | ||||
 | Welcoming Webb's Latest Instrument
Hubble's successor is coming together. The second of the James Webb Space Telescope's four instruments, the Fine Guidance Sensor/Near-Infrared Slitless spectrograph (FGS/NIRISS) has arrived at NASA's Goddard Space Flight Center in Greenbelt, Md.
The Canadian Space Agency developed and built FGS/NIRISS, which will both help point the telescope and study stars and the planets forming around them. NASA has a feature describing FGS/NIRISS' capabilities, and you can see the instrument as it was being constructed in HubbleSite's "Canada's Dynamic Duo" episode of the "Behind the Webb" video series.
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Canada's Dynamic Duo