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Scientist shows space achievements of the nation via a livestreaming program on Thursday to mark China Space Day.[Photo by Tang Ke / For China Daily]

Planetary exploration program named Tianwen, or Quest for Heavenly Truth

President Xi Jinping extended greetings to elder scientists who participated in the country's first satellite program 50 years ago and said he expected space industry workers to learn from their predecessors' spirit and strive to build the nation into a stronger space power.

Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, wrote a letter in reply to some distinguished Chinese space scientists who participated in the Dongfanghong 1 mission half a century ago. He said new generations of space industry workers should learn and uphold the spirit of those who took part in the making of the nation's first nuclear weapon, ballistic missile and satellite.

A number of decorated space scientists, including Sun Jiadong and Wang Xiji, recently wrote the letter to Xi to express their expectations for China's space sector.

In his reply, Xi encouraged space industry professionals to overcome difficulties and hardships to achieve new heights in space science and technology.

"(You should) strive to strengthen and expand our space exploration and make our country a great space power as soon as possible," the president wrote.

Xi also wrote that he was in the village of Liangjiahe in Shaanxi province 50 years ago when he heard about the launch of China's first satellite. He told them he was very excited about the great news.

He recalled that the scientists' enterprise, diligence and perseverance inspired the whole nation at that time and exemplified the Chinese people's spirit of striving.

On April 24, 1970, the first Chinese satellite, Dongfanghong 1 or The East is Red 1, was carried aloft by China's first carrier rocket－Long March 1.

The mission made China the fifth nation to independently design, build and launch a satellite, after the Soviet Union, the United States, France and Japan. The 173-kilogram spacecraft worked 28 days before it ran out of power, but the satellite still travels in its orbit.

China has since sent over 500 spacecraft aloft and developed more than 20 models of carrier rockets.

Scientist shows space achievements of the nation via a livestreaming program on Thursday to mark China Space Day.[Photo by Tang Ke / For China Daily]

Planetary exploration program named Tianwen, or Quest for Heavenly Truth

President Xi Jinping extended greetings to elder scientists who participated in the country's first satellite program 50 years ago and said he expected space industry workers to learn from their predecessors' spirit and strive to build the nation into a stronger space power.

Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, wrote a letter in reply to some distinguished Chinese space scientists who participated in the Dongfanghong 1 mission half a century ago. He said new generations of space industry workers should learn and uphold the spirit of those who took part in the making of the nation's first nuclear weapon, ballistic missile and satellite.

A number of decorated space scientists, including Sun Jiadong and Wang Xiji, recently wrote the letter to Xi to express their expectations for China's space sector.

In his reply, Xi encouraged space industry professionals to overcome difficulties and hardships to achieve new heights in space science and technology.

"(You should) strive to strengthen and expand our space exploration and make our country a great space power as soon as possible," the president wrote.

Xi also wrote that he was in the village of Liangjiahe in Shaanxi province 50 years ago when he heard about the launch of China's first satellite. He told them he was very excited about the great news.

He recalled that the scientists' enterprise, diligence and perseverance inspired the whole nation at that time and exemplified the Chinese people's spirit of striving.

On April 24, 1970, the first Chinese satellite, Dongfanghong 1 or The East is Red 1, was carried aloft by China's first carrier rocket－Long March 1.

The mission made China the fifth nation to independently design, build and launch a satellite, after the Soviet Union, the United States, France and Japan. The 173-kilogram spacecraft worked 28 days before it ran out of power, but the satellite still travels in its orbit.

China has since sent over 500 spacecraft aloft and developed more than 20 models of carrier rockets.

Scientist shows space achievements of the nation via a livestreaming program on Thursday to mark China Space Day.[Photo by Tang Ke / For China Daily]

Planetary exploration program named Tianwen, or Quest for Heavenly Truth

President Xi Jinping extended greetings to elder scientists who participated in the country's first satellite program 50 years ago and said he expected space industry workers to learn from their predecessors' spirit and strive to build the nation into a stronger space power.

Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, wrote a letter in reply to some distinguished Chinese space scientists who participated in the Dongfanghong 1 mission half a century ago. He said new generations of space industry workers should learn and uphold the spirit of those who took part in the making of the nation's first nuclear weapon, ballistic missile and satellite.

A number of decorated space scientists, including Sun Jiadong and Wang Xiji, recently wrote the letter to Xi to express their expectations for China's space sector.

In his reply, Xi encouraged space industry professionals to overcome difficulties and hardships to achieve new heights in space science and technology.

"(You should) strive to strengthen and expand our space exploration and make our country a great space power as soon as possible," the president wrote.

Xi also wrote that he was in the village of Liangjiahe in Shaanxi province 50 years ago when he heard about the launch of China's first satellite. He told them he was very excited about the great news.

He recalled that the scientists' enterprise, diligence and perseverance inspired the whole nation at that time and exemplified the Chinese people's spirit of striving.

On April 24, 1970, the first Chinese satellite, Dongfanghong 1 or The East is Red 1, was carried aloft by China's first carrier rocket－Long March 1.

The mission made China the fifth nation to independently design, build and launch a satellite, after the Soviet Union, the United States, France and Japan. The 173-kilogram spacecraft worked 28 days before it ran out of power, but the satellite still travels in its orbit.

China has since sent over 500 spacecraft aloft and developed more than 20 models of carrier rockets.

Scientist shows space achievements of the nation via a livestreaming program on Thursday to mark China Space Day.[Photo by Tang Ke / For China Daily]

Planetary exploration program named Tianwen, or Quest for Heavenly Truth

President Xi Jinping extended greetings to elder scientists who participated in the country's first satellite program 50 years ago and said he expected space industry workers to learn from their predecessors' spirit and strive to build the nation into a stronger space power.

Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, wrote a letter in reply to some distinguished Chinese space scientists who participated in the Dongfanghong 1 mission half a century ago. He said new generations of space industry workers should learn and uphold the spirit of those who took part in the making of the nation's first nuclear weapon, ballistic missile and satellite.

A number of decorated space scientists, including Sun Jiadong and Wang Xiji, recently wrote the letter to Xi to express their expectations for China's space sector.

In his reply, Xi encouraged space industry professionals to overcome difficulties and hardships to achieve new heights in space science and technology.

"(You should) strive to strengthen and expand our space exploration and make our country a great space power as soon as possible," the president wrote.

Xi also wrote that he was in the village of Liangjiahe in Shaanxi province 50 years ago when he heard about the launch of China's first satellite. He told them he was very excited about the great news.

He recalled that the scientists' enterprise, diligence and perseverance inspired the whole nation at that time and exemplified the Chinese people's spirit of striving.

On April 24, 1970, the first Chinese satellite, Dongfanghong 1 or The East is Red 1, was carried aloft by China's first carrier rocket－Long March 1.

The mission made China the fifth nation to independently design, build and launch a satellite, after the Soviet Union, the United States, France and Japan. The 173-kilogram spacecraft worked 28 days before it ran out of power, but the satellite still travels in its orbit.

China has since sent over 500 spacecraft aloft and developed more than 20 models of carrier rockets.

Scientist shows space achievements of the nation via a livestreaming program on Thursday to mark China Space Day.[Photo by Tang Ke / For China Daily]

Planetary exploration program named Tianwen, or Quest for Heavenly Truth

President Xi Jinping extended greetings to elder scientists who participated in the country's first satellite program 50 years ago and said he expected space industry workers to learn from their predecessors' spirit and strive to build the nation into a stronger space power.

Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, wrote a letter in reply to some distinguished Chinese space scientists who participated in the Dongfanghong 1 mission half a century ago. He said new generations of space industry workers should learn and uphold the spirit of those who took part in the making of the nation's first nuclear weapon, ballistic missile and satellite.

A number of decorated space scientists, including Sun Jiadong and Wang Xiji, recently wrote the letter to Xi to express their expectations for China's space sector.

In his reply, Xi encouraged space industry professionals to overcome difficulties and hardships to achieve new heights in space science and technology.

"(You should) strive to strengthen and expand our space exploration and make our country a great space power as soon as possible," the president wrote.

Xi also wrote that he was in the village of Liangjiahe in Shaanxi province 50 years ago when he heard about the launch of China's first satellite. He told them he was very excited about the great news.

He recalled that the scientists' enterprise, diligence and perseverance inspired the whole nation at that time and exemplified the Chinese people's spirit of striving.

On April 24, 1970, the first Chinese satellite, Dongfanghong 1 or The East is Red 1, was carried aloft by China's first carrier rocket－Long March 1.

The mission made China the fifth nation to independently design, build and launch a satellite, after the Soviet Union, the United States, France and Japan. The 173-kilogram spacecraft worked 28 days before it ran out of power, but the satellite still travels in its orbit.

China has since sent over 500 spacecraft aloft and developed more than 20 models of carrier rockets.

Scientist shows space achievements of the nation via a livestreaming program on Thursday to mark China Space Day.[Photo by Tang Ke / For China Daily]

Planetary exploration program named Tianwen, or Quest for Heavenly Truth

President Xi Jinping extended greetings to elder scientists who participated in the country's first satellite program 50 years ago and said he expected space industry workers to learn from their predecessors' spirit and strive to build the nation into a stronger space power.

Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, wrote a letter in reply to some distinguished Chinese space scientists who participated in the Dongfanghong 1 mission half a century ago. He said new generations of space industry workers should learn and uphold the spirit of those who took part in the making of the nation's first nuclear weapon, ballistic missile and satellite.

A number of decorated space scientists, including Sun Jiadong and Wang Xiji, recently wrote the letter to Xi to express their expectations for China's space sector.

In his reply, Xi encouraged space industry professionals to overcome difficulties and hardships to achieve new heights in space science and technology.

"(You should) strive to strengthen and expand our space exploration and make our country a great space power as soon as possible," the president wrote.

Xi also wrote that he was in the village of Liangjiahe in Shaanxi province 50 years ago when he heard about the launch of China's first satellite. He told them he was very excited about the great news.

He recalled that the scientists' enterprise, diligence and perseverance inspired the whole nation at that time and exemplified the Chinese people's spirit of striving.

On April 24, 1970, the first Chinese satellite, Dongfanghong 1 or The East is Red 1, was carried aloft by China's first carrier rocket－Long March 1.

The mission made China the fifth nation to independently design, build and launch a satellite, after the Soviet Union, the United States, France and Japan. The 173-kilogram spacecraft worked 28 days before it ran out of power, but the satellite still travels in its orbit.

China has since sent over 500 spacecraft aloft and developed more than 20 models of carrier rockets.

Scientist shows space achievements of the nation via a livestreaming program on Thursday to mark China Space Day.[Photo by Tang Ke / For China Daily]

Planetary exploration program named Tianwen, or Quest for Heavenly Truth

President Xi Jinping extended greetings to elder scientists who participated in the country's first satellite program 50 years ago and said he expected space industry workers to learn from their predecessors' spirit and strive to build the nation into a stronger space power.

Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, wrote a letter in reply to some distinguished Chinese space scientists who participated in the Dongfanghong 1 mission half a century ago. He said new generations of space industry workers should learn and uphold the spirit of those who took part in the making of the nation's first nuclear weapon, ballistic missile and satellite.

A number of decorated space scientists, including Sun Jiadong and Wang Xiji, recently wrote the letter to Xi to express their expectations for China's space sector.

In his reply, Xi encouraged space industry professionals to overcome difficulties and hardships to achieve new heights in space science and technology.

"(You should) strive to strengthen and expand our space exploration and make our country a great space power as soon as possible," the president wrote.

Xi also wrote that he was in the village of Liangjiahe in Shaanxi province 50 years ago when he heard about the launch of China's first satellite. He told them he was very excited about the great news.

He recalled that the scientists' enterprise, diligence and perseverance inspired the whole nation at that time and exemplified the Chinese people's spirit of striving.

On April 24, 1970, the first Chinese satellite, Dongfanghong 1 or The East is Red 1, was carried aloft by China's first carrier rocket－Long March 1.

The mission made China the fifth nation to independently design, build and launch a satellite, after the Soviet Union, the United States, France and Japan. The 173-kilogram spacecraft worked 28 days before it ran out of power, but the satellite still travels in its orbit.

China has since sent over 500 spacecraft aloft and developed more than 20 models of carrier rockets.

Scientist shows space achievements of the nation via a livestreaming program on Thursday to mark China Space Day.[Photo by Tang Ke / For China Daily]

Planetary exploration program named Tianwen, or Quest for Heavenly Truth

President Xi Jinping extended greetings to elder scientists who participated in the country's first satellite program 50 years ago and said he expected space industry workers to learn from their predecessors' spirit and strive to build the nation into a stronger space power.

Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, wrote a letter in reply to some distinguished Chinese space scientists who participated in the Dongfanghong 1 mission half a century ago. He said new generations of space industry workers should learn and uphold the spirit of those who took part in the making of the nation's first nuclear weapon, ballistic missile and satellite.

A number of decorated space scientists, including Sun Jiadong and Wang Xiji, recently wrote the letter to Xi to express their expectations for China's space sector.

In his reply, Xi encouraged space industry professionals to overcome difficulties and hardships to achieve new heights in space science and technology.

"(You should) strive to strengthen and expand our space exploration and make our country a great space power as soon as possible," the president wrote.

Xi also wrote that he was in the village of Liangjiahe in Shaanxi province 50 years ago when he heard about the launch of China's first satellite. He told them he was very excited about the great news.

He recalled that the scientists' enterprise, diligence and perseverance inspired the whole nation at that time and exemplified the Chinese people's spirit of striving.

On April 24, 1970, the first Chinese satellite, Dongfanghong 1 or The East is Red 1, was carried aloft by China's first carrier rocket－Long March 1.

The mission made China the fifth nation to independently design, build and launch a satellite, after the Soviet Union, the United States, France and Japan. The 173-kilogram spacecraft worked 28 days before it ran out of power, but the satellite still travels in its orbit.

China has since sent over 500 spacecraft aloft and developed more than 20 models of carrier rockets.

Scientist shows space achievements of the nation via a livestreaming program on Thursday to mark China Space Day.[Photo by Tang Ke / For China Daily]

Planetary exploration program named Tianwen, or Quest for Heavenly Truth

President Xi Jinping extended greetings to elder scientists who participated in the country's first satellite program 50 years ago and said he expected space industry workers to learn from their predecessors' spirit and strive to build the nation into a stronger space power.

Xi, also general secretary of the Communist Party of China Central Committee and chairman of the Central Military Commission, wrote a letter in reply to some distinguished Chinese space scientists who participated in the Dongfanghong 1 mission half a century ago. He said new generations of space industry workers should learn and uphold the spirit of those who took part in the making of the nation's first nuclear weapon, ballistic missile and satellite.

A number of decorated space scientists, including Sun Jiadong and Wang Xiji, recently wrote the letter to Xi to express their expectations for China's space sector.

In his reply, Xi encouraged space industry professionals to overcome difficulties and hardships to achieve new heights in space science and technology.

"(You should) strive to strengthen and expand our space exploration and make our country a great space power as soon as possible," the president wrote.

Xi also wrote that he was in the village of Liangjiahe in Shaanxi province 50 years ago when he heard about the launch of China's first satellite. He told them he was very excited about the great news.

He recalled that the scientists' enterprise, diligence and perseverance inspired the whole nation at that time and exemplified the Chinese people's spirit of striving.

On April 24, 1970, the first Chinese satellite, Dongfanghong 1 or The East is Red 1, was carried aloft by China's first carrier rocket－Long March 1.

The mission made China the fifth nation to independently design, build and launch a satellite, after the Soviet Union, the United States, France and Japan. The 173-kilogram spacecraft worked 28 days before it ran out of power, but the satellite still travels in its orbit.

China has since sent over 500 spacecraft aloft and developed more than 20 models of carrier rockets.