Astronomers from the Netherlands, the United Kingdom and the United States have found no trace of dark matter in AGC 114905, a gas-rich ultra-diffuse galaxy approximately 248 million light-years from Earth. This image shows the gas-rich ultra-diffuse galaxy AGC 114905; the stellar emission is shown in blue; the green clouds show the neutral hydrogen gas. Image credit: Javier Román / Pavel Mancera Piña. AGC 114905 is located about 76 megaparsecs...
