China’s Chang’e 6 to Deploy French DORN Instrument on Moon to Study Lunar Exosphere

BEIJING (CNES PR) — Wednesday 6 November, on the occasion of President Emmanuel Macron’s state visit to the People’s Republic of China, CNES President Jean-Yves Le Gall and Zhang Kejian, Administrator of the China National Space Administration (CNSA), signed in the presence of Presidents Macron and Xi Jinping a joint statement covering two fields of investigation.

First, in 2023 China’s Chang’e 6 lunar mission will fly the French DORN instrument proposed by the IRAP astrophysics and planetology research institute. DORN’s science goals are to study the transport of volatiles through the lunar regolith and in the lunar exosphere and lunar dust.

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China Lands Chang’e-4 on Far Side of the Moon

China’s Yutu 2 rover drives off the Chang’e-4 lander. (Credit: CNSA)

China made history on Thursday with the first soft landing on the far side of the moon.

Chang’e-4 successfully touched down in the South Pole–Aitken basin and later deployed the Yutu 2 rover. It was China’s second successful landing on the moon after Chang’e-3 touched down on the near side and deployed a rover in December 2013.

The lander includes the following payloads:

  • landing and terrain cameras;
  • a low-frequency spectrometer;
  • a neutrons and dosimetry (LND) dosimeter supplied by Kiel University in Germany;
  • a container with silkworm eggs and seeds of potatoes and Arabidopsis thaliana; and,
  • a miniature camera to record the growth of the eggs and seeds.

A view of the moon from the Chang’e-4 lander. (Credit: CNSA)

The rover’s payloads include:

  • a panoramic camera;
  • a lunar penetrating radar system;
  • a visible and near-infrared imaging spectrometer; and,
  • and an advanced small analyzer for neutrals (ASAN) provided by the Swedish Institute of Space Physics (IRF) to measure the interaction of the solar winds with the lunar surface.

The lander and rover will communicate with the Chang’e 4 relay satellite, which was launched last year.