Washington: Curiosity, NASA’s Mars rover, has captured the images of large sunspots on the face of the Sun that is turned away from Earth. Large sunspots are evident in views from Curiosity’s Mast Camera. no other resource is available to the scientists temporarily providing views of the Sun from the opposite side of the solar system from Earth.
Information about sunspots is helpful in predicting space-weather effects of solar emissions related to sunspots.
According to NASA Sun completes a rotation about once a month – faster near its equator than near its poles.