Explanation:

The Nuclear Spectroscopic Telescope Array is an Explorer mission that will allow astronomers to study the universe in high energy X-rays. Launched in June of 2012, NuSTAR is the first focusing hard X-ray telescope to orbit Earth. NuSTAR’s primary science objectives include: Conducting a census for black holes on all scales using wide-field surveys of extragalactic fields and the Galactic center. Mapping radioactive material in young supernova remnants; studying the birth of the elements and to understand how stars explode.