A new space telescope will open up an unprecedented view of the universe in ultraviolet light. The ULTRASAT satellite will provide fundamental new insights into high-energy phenomena such as supernova explosions, colliding neutron stars and active black holes, all of which can also generate gravitational waves and act as cosmic particle accelerators.
Source:
https://phys.org/news/2019-10-uv-satellite-view-stars-black.html