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This #NationalCameraDay, we're spotlighting the different cameras that will be helping Webb and @NASARoman uncover mysteries of our universe.
So how do Webb's cameras compare to cameras in our daily lives? Thread 
pic.twitter.com/sqBj7oFxji
Webb is a heat seeker that will detect invisible infrared light, unlike our phone cameras, which photograph visible light. The cameras on Webb's NIRCam and NIRISS instruments will both see in the near-infrared range, while its MIRI instrument will take images in mid-infrared.pic.twitter.com/pvTMOx6t6E
You may have seen far-infrared cameras at your local museum. These cameras tend to be low-resolution and usually produce grainy images compared to Webb's near-infrared & mid-infrared cameras. For reference, Webb's NIRCam features detectors that each have about 4 million pixels!pic.twitter.com/ssF3hx7UFY
Because we can't see in infrared, Webb's images must be "translated" with color to differentiate between wavelengths of light. In this Spitzer infrared image, blue represents light at a wavelength of 3.6 microns. Green represents 8-micron light, and red is 24-micron light.pic.twitter.com/2uBaVFEOlF
More about Webb's infrared detectors: https://go.nasa.gov/2TmylPo pic.twitter.com/0c3aexczAL
Learn more about @NASARoman's Wide Field Instrument, another infrared camera!https://twitter.com/NASARoman/status/1409922374112362498?s=20 …
Learn more about the Wide Field instrument: https://go.nasa.gov/3AcOqYv I'm so much hoping to be seeing new worlds and exciting vista's of the universe @NASAExoplanets @NASAWebb
That mirror selfie looks expensive 
Nice thread. Thank you for putting this all together!
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