A SpaceX Falcon 9 rocket has blasted off with NASA’s Imaging X-ray Polarimetry Explorer (IXPE) satellite. First announced in 2017, the IXPE is the first satellite capable of measuring the polarization of X-rays that come from cosmic sources, such as black holes and neutron stars. via Technology and News Today https://www.engadget.com/space-x-launches-nasa-ixpe-060812924.html