The Missing Fuel: How Astronomers Study Galaxies That No Longer Form Stars Some galaxies remain exceptionally luminous even though they produce scarcely any new stars. Its light may come mainly from an ageing population born billions of years earlier, long after the conditions for further star formation have changed. This https://sourcespark-onlinepress429.blogzet.com/the-qualities-of-an-ideal-future-science-and-technology-58604338