Planet atmospheres measured by @NASASpitzer. http://bit.ly/qIopn7 #JWST will be able to see water vapor in exoplanet atmospheres!
@AltonWells #JWST will have amazing new spectrographs to let us study exoplanets in great detail. Read more: http://www.jwst.nasa.gov/origins.html
12:07 PM - 19 Oct 2012
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