关于这张图
This black-and-white image of Europa's surface was taken by the Stellar Reference Unit (SRU) aboard NASA's Juno spacecraft during a Sept. 29, 2022, flyby of the Jovian moon. The image shows a region crisscrossed with a network of fine grooves and sets of complicated double ridges (pairs of long parallel lines indicating elevated features in the ice). In the upper right corner are dark stains possibly linked to cryovolcanic plume activity (the bubbling up of liquid from beneath the ice). Just below center and to the right is a surface feature that members of the Juno science team refer to as …