China science, technology news summary -- July 11-Xinhua

China science, technology news summary -- July 11

Source: Xinhua

Editor: huaxia

2023-07-11 16:32:00

BEIJING, July 11 (Xinhua) -- The following is a summary of published science and technology news of China.

FIRST GALAXIES

Chinese scientists have recently introduced a new method to reveal the nature of the first galaxies and dark matter in the early universe, according to a paper published in the journal Nature Astronomy.

They discovered that by using the one-dimensional power spectrum measurement of the 21-cm forest signal in the cosmic dawn era, the upcoming Square Kilometer Array radio telescope would be able to simultaneously reveal the properties of the universe's first galaxies and dark matter, according to the paper.

ASTEROID NAMED AFTER ARCHAEOLOGIST

An asteroid has been named after Chinese archaeologist Fan Jinshi in recognition of her contribution to the protection, study, and promotion of the Mogao Grottoes, a UNESCO World Heritage Site in Dunhuang in northwest China's Gansu Province.

The asteroid coded 381323 was discovered by astronomers from the Purple Mountain Observatory under the Chinese Academy of Sciences, and approved by the International Astronomical Union.

EX-SITU PLANT PROTECTION

The National Botanical Garden of China will establish a key laboratory on ex-situ plant protection under the National Forestry and Grassland Administration, the botanical garden administration said on Monday.

The laboratory will track international cutting-edge technologies and research, focus on wild plant protection and biosafety prevention and control, and conduct open technical research involving multiple disciplines.