Additionally, Cassini will continue investigating the mysterious "propellers" discovered near Saturn's main A ring, grabbing high-resolution images that should reveal more details about their structure. The propellers' existence means there are unseen moonlets hanging out around Saturn, which is important because "moonlet" is a deeply adorable word.

Cassini will prepare for its descent into Saturn's atmosphere in April, and in September, it'll make the final, fiery plunge. NASA launched the spacecraft on October 15th, 1997.

"After nearly 20 years in space, the mission is drawing near its end because the spacecraft is running low on fuel," NASA writes. "The Cassini team carefully designed the finale to conduct an extraordinary science investigation before sending the spacecraft into Saturn to protect its potentially habitable moons."