For more on this, we are joined by Professor Yang Yuguang, from the China Aerospace Science and Industry Corporation.

Q1: The experiment is said to help lay the groundwork for humans to one day live on Mars. And US scientists have a similar proejct in Utah.  What's the significance of this 180-day space survival experiment in the overall picture of space exploration worldwide?


Q2: China continues to boost its space programs--satellites, rockets, and a space lab. Where would you put the current level of China's space science technology on a world level?