The photograph was taken by means of a high-resolution camera that had previously been used to film the landing of the Jjujun janitor, and the distance between Tianven-1 and Fobos at the time of the shooting was about 5,000 km.
The image is only 50 metres per pixel, and the surface of the Mars satellite shows the most famous linear striations.
Phobos is the largest of the two Mars satellites, and in its shape it resembles an elypsoid whose large axis is directed towards the red planet, and it is in a state of high tide capture, so it will always turn one side to its planet.
China's National Space Administration notes that the picture was taken during the full moon, and in order to take a picture of Fobos, Tianwen-1 had to turn around from Mars, as well as picking a moment for the orbits of natural and artificial satellites to coincide and the sun to provide good lighting.
The Tianwen-1 mission was launched on 23 July 2020, the first Chinese research vehicle to be sent to the red planet, consisting of an orbital probe and a payload module being launched. The main scientific task of the orbital spacecraft is to map the entire surface of Mars.
Image on the cover: "Selfi" of the Tianven-1 probe against the background of Mars. Photo: CNSA/PEC