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

Io is the only Galilean moon known for its active volcanic activity, which produces eruptions of small particles that scatter light. Europa, Ganymede, and Callisto do not exhibit such characteristics.

On the Night Side and in the Northern Hemisphere of This