James-Webb reveals the composition of the gas around a supermassive black hole

Stephan’s Quintet, a visual grouping of five galaxies located in the constellation Pegasus, was among the first images chosen to illustrate the power of the James-Webb Space Telescope in comparison to its predecessor, Hubble. But JWST not only makes it possible to take lavish images, it also performs spectroscopic analyzes that reveal the chemical composition … Read more