Hot social topics worth discussing

1. Novel Coronavirus Pneumonia

In early December 2019, 27 cases of Wuhan residents were diagnosed with pneumonia of unknown cause. On January 7, 2020, the culprit of the unexplained pneumonia was identified as: new coronary pneumonia.

On January 16, the coronavirus quickly became popular internationally and attracted the attention of international media. Zhong Nanshan told academicians that on January 20, new coronavirus pneumonia was spread from person to person. Since then, the masks have sold out. On January 23, Wuhan was closed! First-level responses are initiated one after another. 41 medical teams from all over the country rushed to Wuhan.

On February 4, Huoshenshan began to treat the first batch of patients. It only takes 10 days from design to construction of Huoshenshan. On February 7, whistler Li Wenliang passed away due to the new crown.

2. Tianwen-1 earth-moon photo

On July 27, the "Tianwen-1" probe looked back at the Earth about 1.2 million kilometers away, using optical navigation sensors to The Earth and Moon were imaged, and clear images of the Moon and Earth were obtained. In this black and white photo, the Earth and the Moon, one large and one small, form a crescent moon, accompanying each other in the vast universe. "This is Tianwen-1's affectionate review of our home!"

3. The Beidou-3 navigation system was deployed

At 9:43 on June 23, my country's Xichang satellite The launch center used the Long March 3B carrier rocket to successfully launch the 55th navigation satellite of the Beidou system and the last global networking satellite of the Beidou 3 system. So far, the deployment of the Beidou-3 global navigation satellite constellation has been completed half a year ahead of schedule.

4. Lucky Coffee

On January 31 this year, the famous short-selling agency Muddy Waters Research Institute released an 89-page anonymous short-selling report on Lucky Coffee. The report pointed out that Lucky Coffee’s business data contained fraud and fraud. On the evening of April 2, Lucky Coffee suddenly announced that Chief Operating Officer Liu Jian and some employees had fabricated performance of 2.2 billion yuan. As soon as the news came out, Rising Coffee's stock price plummeted by more than 80%.

5. China launches Mars exploration

News on the morning of April 24: The National Space Administration announced that my country’s planetary exploration mission will be named “Astronomical Series”, and my country’s first Mars exploration mission will be named It is "Tianwen No. 1". At the same time, it also announced China's first Mars exploration symbol "Nine Heavens Holding Stars".