One of the Cassini mission's goals was to figure out how long a day on Saturn is. We still don't know. A new paper reports a measurement of the rotation period of Saturn that is different from past measurements.
Right after the last Mastcam-Z team meeting a year ago (link here to last two blog posts), our team finalized the design of the cameras, and then the fantastic voyage of creating Martian panoramic zoom cameras began.
China's fourth lunar mission, Chang’e 4, is expected to begin on May 21 with the launch of a Long March 4C rocket from the Xichang Satellite Launch Centre in the southwest of China. The launch will carry a spacecraft named Queqiao, which will serve as a communication relay satellite between Earth and the lunar farside.