China’s Chang’e 4 moon rover mission is back in action on lunar farside


China’s Chang’e 4 mission is back in action for its 19th lunar day of activity on the far side of the moon, with the Yutu 2 rover set to scope out a new crater.

Both the mission’s lander and Yutu 2 rover have resumed science activities following sunrise over their location in Von Karman crater on the far side of the moon.

Yutu 2 awoke on June 14 while the lander restarted its activities 13 hours later, on June 15, according to the China Lunar Exploration Program (CLEP).

Related: China releases huge batch of Chang’e 4 images from moon’s far side

The Yutu 2 rover had remained stationary during lunar day 18 (May 16-29), while teams back on Earth upgraded ground stations in preparation for the Tianwen-1 Mars mission, due to launch in late July or early August.

Upgrades to the tracking and command facilities at Jiamusi, northeast China, and Kashi in the northwest were completed June 13 according to CLEP, meaning normal roving service can now resume.

While the rover has been stationary, the Yutu 2 science team have identified a nearby crater for examination. The 4-foot-wide (1.3 meters), 8-inch-deep (20 centimeters) crater contains reflective material which may be similar in nature to suspected impact melt glass the rover discovered last year.

After checking out the crater, Yutu 2 will continue its journey northwest from the Chang’e 4 landing site. Yutu 2 has driven a total of 1,469 feet (447.68 meters) since setting down on the far side of the moon in January 2019.

NASA’s Lunar Reconnaissance Orbiter (LRO) has meanwhile been imaging the Chang’e 4 lander, also showing the progress of Yutu 2. An image taken Jan. 20 shows the lander casting a shadow as well as the much smaller Yutu 2 just north of a crater.

Incredibly, faint tracks made by the rover can also be observed in the images returned from the orbiting LRO.

Both the Chang’e 4 lander and Yutu 2 rover have exceeded their design lifetimes of one year and three Earth months, respectively.

Lunar day 19 activities will continue until June 27. The spacecraft will then power down to protect against the harsh cold of lunar night, which will begin with sunset on June 28.

China is also preparing a lunar sample return mission, Chang’e 5, to launch in the final quarter of this year.

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