IT House January 31 news, according to china's lunar exploration project news, on the eve of the Spring Festival of the Year of the Tiger, the Tianwen-1 probe sent back a set of selfie videos from the orbit of Mars to extend New Year greetings to the people of the whole country.
On February 29 last year (February 10, 2021), Tianwen-1 arrived on Mars and successfully implemented the capture brake to become the continent's first artificial Mars satellite, starting a scientific exploration journey to the Red Planet, which has just turned a lunar year.
According to reports, the video is taken by the "selfie" camera carried by the Tianwen-1 surrounder, the camera is installed at the end of the "selfie stick", this set of selfie sharp tools is designed for the state monitoring and evaluation of the key components outside the orbiter, the video surrounder 3000 ox engine, propellant storage box, attitude control engine and other components are in good condition, the five-star red flag shining in the orbit of Mars is particularly bright, the angle of the sunlight during the posture adjustment process changes significantly, and the ice cap below is photographed when flying over the North Pole of Mars.
The "selfie stick" uses a special shape memory composite material, which is folded and folded before launch, and after entering the Orbit of Mars, the folded part is heated to a certain temperature, and the "selfie stick" is gradually restored to a straight state. With a quality of only 0.8 kg and a length of 1.6 meters when unfolded, the "selfie stick" effectively completes monitoring tasks with an end-mounted camera.
▼ "Selfie stick" unfolding process
IT Home learned that as of January 31, 2022, Tianwen-1 has been in orbit for 557 days, about 325 million kilometers from the earth, and the light travel time is about 18 minutes, and the Zhurong rover has worked for 255 Martian days, with a cumulative driving of 1524 meters. At present, the Tianwen-1 mission has transmitted a total of about 600GB of raw scientific data, and the two devices are in good condition and running normally.
