"We could already see changes in the jet, but never with this level of detail in X-rays."

NASA X-ray spacecraft catches jet erupting from 1st supermassive black hole imaged by humanity

Source: space
Source Link: https://www.space.com/astronomy/black-holes/nasa-x-ray-spacecraft-catches-jet-erupting-from-1st-supermassive-black-hole-imaged-by-humanity