Fifty years ago, China successfully launched 【1】 (it) first satellite, Dongfanghong 1 , and started a new chapter in space exploration. 【2】(mark) its 50th anniversary, the China National Space Administration announced the name for the country’s Mars planetary exploration program on April 24.

The mission, Tianwen, got its name from a famous poet, Qu Yuan,【3】 wrote the long poem Tianwen. In the poem, Qu raised a series of questions concerning the sky, stars natural phenomena myths and the real world, reflecting his doubts on traditional ideas and his pursuit of truth.

China 【4】 (make) remarkable progress in space exploration. As early as 1970, China launched its first man-made Earth satellite, becoming the fifth country in the world to launch man- made satellites 【5】(independent) . Over the past few years, China’s missions, including the Shenzhou and Chang’e series 【6】(design) to explore outer space, expanded mankind’s understanding of Earth and the universe.

This time, 【7】 Tianwen series will carry out the first Mars exploration mission in 2020.

Experts consider it the start of China’s exploration of Mars, 【8】(represent) a milestone for China’s move toward deep space.

Indeed, 【9】 the name’s deep roots in Chinese traditional culture, it has been widely accepted among the public. Tianwen demonstrates the 【10】(determine) and perseverance (坚持不懈) of Chinese people to move further into deep space.