Cerberus, seen in this image from NASA Mars Odyssey spacecraft, is a dark region on Mars that has shrunk down from a continuous length of about 1000 km to roughly three discontinuous spots a few 100 kms in length in less than 20 years.
Cerberus, seen in this image from NASA Mars Odyssey spacecraft, is a dark region on Mars that has shrunk down from a continuous length of about 1000 km to roughly three discontinuous spots a few 100 kms in length in less than 20 years.