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The Lunar Exploration Project Obtains The Moon And Night Temperature Detection Data For The First Time.
Feb 14, 2019

It was learned from the National Space Administration that at 20:39 on January 30, the No. 4 lander was awakened by light. Previously, the "Yutu No. 2" patrol was autonomously awakened at 20 o'clock on the 29th.

The two devices successfully withstood the extremely low temperature environment on the back of the moon. According to the change of the solar altitude angle, the machine exited the “moon night sleep mode” autonomously, and the key equipment was powered on and on according to the predetermined procedure, and the safety passed the first month and night. In addition, the isotope temperature difference battery configured on the lander provides smooth power supply for the moon and night temperature collector, ensuring that the collector successfully monitors the temperature change of the first month and night at the measuring point position, and the moon exploration temperature data is obtained for the first time in China's lunar exploration project.

Currently, the patrol is located approximately 18 meters northwest of the lander. The two devices work normally, and the state of communication and data transmission between the satellite and the ground through the "Bridge Bridge" is stable. According to the first month and night temperature detection data, the monthly temperature reaches a minimum of -190 °C during the month and night. Long-term low temperature environment poses a serious challenge to the survival of the lunar probe. On the 4th, the No. 4 configuration provided an isotope heat source to continuously supply heat to the detector during the moon and night, successfully solving the problem of no light and low temperature at night.

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