On the night side and in the northern hemisphere of this Galilean moon is an eruption of small particles that scatter the light, as shown in this image that combines visual and infrared data. Based upon this information, which Galilean moon is in the image
A)Io
B)Europa
C)Ganymede
D)Callisto

Question

On the night side and in the northern hemisphere of this Galilean moon is an eruption of small particles that scatter the light, as shown in this image that combines visual and infrared data. Based upon this information, which Galilean moon is in the image 
A)Io 
B)Europa 
C)Ganymede 
D)Callisto

Quizplus · Accepted Answer

The eruption of small particles and the scattering of light is a characteristic feature of Io, which is known for its active volcanoes and frequent eruptions. The other Galilean moons do not have such prominent volcanic activity.

On the Night Side and in the Northern Hemisphere of This