Green Comet 2024 Nasa. On the evening of april 21 the geometric brightness of the comet will be at its greatest, but the moon will be 96% illuminated and the comet will be only 2.7. The last time the comet was spotted was 50,000.
The last time the comet was spotted was 50,000. Photographs captured by astronomers show a distinct green hue around the body of the comet.
