Hong Kong scientist unveils 'Mars Camera'

2021-06-04 Editor : Ji Xiang ECNS App Download

(ECNS) -- This "unimpressive" camera is called "Mars Landing Surveillance Camera" ("Mars Camera").

"Don't look down upon it," said Professor Yung Kai-leung of the Hong Kong Polytechnic University (PolyU), who led the research.

China's first Mars probe Tianwen-1 carrying the Zhurong rover landed on the Red Planet on May 15.

The "Mars Camera" plays the role of an eye to monitor the landing and surrounding environment on the Mars surface.

The Mars Camera is light in weight (around 390g) yet strong and durable enough to withstand the extreme temperature differences of about 150 degrees Celsius experienced during the nine-month journey between Earth and Mars, and a huge impact shock of 6,200G, i.e., 6,200 times the force of Earth's gravity.

"The shell of the "Mars Camera" was elaborately designed. Materials like aluminum alloy were selected for less weight and even heat conduction, and the uneven surface increases the intensity and helps better heat dissipation," said Professor YUNG Kai-leung of PolyU.


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