China News Service, Beijing, July 28 (Guo Chaokai, Ye Yutian) A reporter learned from the National Space Administration on the 28th that China’s first Mars exploration mission, Tianwen-1, is currently in good flight conditions, with energy balance, normal working conditions, and stable ground monitoring and tracking. Flight control and data reception were orderly and smooth, and various tasks were carried out smoothly.
The Tianwen-1 probe has broken away from the earth's gravitational influence and entered an interplanetary transfer orbit, flying more than 1.5 million kilometers away from the earth.
The picture above shows a black-and-white photo of the earth and the moon taken by the optical navigation sensor on July 27, 2020, when the Tianwen-1 probe flew about 1.2 million kilometers away from the earth. In the picture, the large crescent sphere is the earth, and the small crescent sphere is the moon. Photo courtesy of China National Space Administration
On July 27, the flight control team of the Beijing Aerospace Flight Control Center worked closely with the China Aerospace Science and Technology Group's test team to control the Tianwen-1 probe to look back at the earth at a distance of about 1.2 million kilometers and use the optical navigation sensor to view the earth. , Moon imaging, obtained a group photo of the earth and the moon. In this black-and-white photo, the earth and the moon are large and one small, both in crescent shape, watching each other in the vast universe. (Finish)