950-Mile-Long Cloud Spotted Over Martian Volcano. And It Has Staying Power.
When you purchase through liaison on our site , we may earn an affiliate commission . Here ’s how it work on . A mysterious white - colored plume stretch out some 950 miles ( just over 1,500 kilometers ) has been spotted on the lee side of the Arsia Mons volcano on Mars . Unlike other Martian cloud structures that seem to poof in and out of macrocosm , this one has staying power , with the lengthy plume bulk large near Arsia Mons since Sept....