A disk of gas that accumulates around a center of gravitational attraction, such as a white dwarf, neutron star, or black hole. As the gas spirals in, it becomes hot and emits light or even X-radiation.
Exploring methane mysteries on Mars: Curiosity Rover’s new findings
Exploring methane mysteries on Mars: Curiosity Rover's new findings by Clarence Oxford Los Angeles CA (SPX) Apr 23, 2024 NASA's...