solar dynamics observator

The 120,000km black stain appears on the Sun.
The Solar Dynamics Observatory (SDO) satellite of the NASA Aerospace Agency (NASA) detected the Sunspot AR2665, 120,000 kilometers, last week, according to Sun.
First picture of the comet's death
The death of a comet falling straight into the sun was recorded by scientists for the first time. The image was taken by NASA's Solar Dynamics Observator (SDO), a satellite