What's up June 11 2013?

Wow - its almost NuSTAR's first birthday!   We're having a party at Caltech Friday.   This week we published a paper on the black hole in the center of a near by galaxy called NGC253.    By working together with the Chandra low-energy X-ray telescope NuSTAR was able to see that this particular black hole stopped 'feeding' in the last few years.     You can read the NASA press release here:


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