This illustration shows roughly where China's Chang'e 4 mission landed on the far side of the moon.

  • China landed the first robotic mission on the far side of the moon, called Chang'e 4, on January 3.
  • NASA's Lunar Reconnaissance Orbiter, a moon satellite, photographed the Chinese spacecraft on January 30.
  • NASA published the first satellite image of China's landing site on Wednesday.
  • The image shows the Chang'e 4 spacecraft on the floor of an expansive crater.


A month after China pulled off its historic Chang'e 4 mission, which landed robots on the moon's far side for the first time, NASA has released an image further proving the feat was a success.

NASA photographed the Chinese landing site on January 30 with a moon-circling spacecraft called the Lunar Reconnaissance Orbiter. Researchers published the new picture (below) at the agency's LRO mission blog on Wednesday.

Chang'e 4, China's fourth robotic lunar mission, is named after a mythical lunar goddess. It launched on December 8, and the rover and lander touched down on the moon on January 3.

The car-size lander is expected to last about 12 months on the moon's far side - the lunar face we can't see from Earth ("dark side" is a misnomer). Chang'e 4 also deployed a desk-size rover called Yutu 2 or "Jade Rabbit" that should last about three months in the brutal conditions. (Temperatures on the moon's far side swing between searing-hot and bone-chilling cold every couple of weeks.)

China's Chang'e 4 moon lander, which reached the moon's far side on January 3, 2019. The mission's Yutu 2 rover took this photo.

The goals of the two Chinese spacecraft are to take photos of the barren lunar landscape, study lunar geology, look for water ice, scan the night sky for radio bursts, and even grow silkworms.

Read moreChina wants to launch to Mars next year — part of an ambitious plan to bring the first Martian soil samples back to Earth

The mission landed inside a 116-mile-wide impact site called the Von Kármán Crater. It's part of the South Pole-Aitken Basin: a 2,500-kilometre-wide scar made by a collision about 3.9 billion years ago. The crash may have splattered deep geologic layers of the moon onto its surface, which makes it an especially interesting area for study.

What NASA's image of the Chinese landing site shows

NASA scientists found the lander and rover in the LRO photo below, which was taken at a glancing angle on January 30. The yellow arrow points to the landing site.

NASA's Lunar Reconnaissance Orbiter photographed China's Chang'e 4 lander on the far side of the moon within Von Kármán crater.

The spacecraft is hard if not impossible to see without zooming in.

However, an enhanced crop of the image clearly shows the Chang'e 4 spacecraft as a tiny white blob.

The Chang'e 4 spacecraft is a 2-pixel-wide dot located between the white arrows.

"[A]s LRO approached the crater from the east, it rolled 70 degrees to the west to snap this spectacular view looking across the floor towards the west wall," Mark Robinson, a lunar researcher at NASA, said in a blog post about the image.

Robinson said LRO was more than 322 km away from the landing site when it took the photo. He noted this makes the Chang'e 4 lander "only about two pixels across" and the "the small rover ... not detectable" in the picture.

"The massive mountain range in the background is the west wall of Von Kármán crater, rising more than 3000 meters above the floor," he added.

Other features are also apparent in the image, such as a few craters near the Chang'e 4 lander.

Below is a wrap-around panoramic image of the landing taken by the lander. At the bottom-left is the Yutu 2 rover edging near a small crater shown in NASA's image.

China's Chang'e 4 lunar lander took this panorama from the surface of the moon's far side on January 11, 2019.

Part of the panorama is cropped below to show the Yutu 2 rover on its own.

The Yutu 2 rover on January 11, 2019.

Sleuthing Chinese moon-landing sites from space

China did not initially say where Chang'e 4 had landed. So shortly after state media shared the first landing images, Noah Petro, another lunar scientist at NASA, compared them to LRO images to figure out precisely where the mission had touched down within Von Kármán crater.

The following illustration shows the landing point.

China's Chang'e 4 lunar mission is exploring an ancient impact basin.

This isn't the first time NASA used its LRO spacecraft to study a Chinese moon landing.

On December 30, 2013, scientists also used LRO to locate China's Chang'e 3 mission on the lunar surface. Those image was used in an animated before-and-after comparison that clearly show a lander and rover as small, independent dots.

The image of Chang'e 4 taken last week came from LRO's first flyover opportunity of the landing site.

During future orbits, LRO should be able to image Chang'e 4 from directly above as it did for Chang'e 3.

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