Work starts on large survey telescope
Print Edition
Chinese scientists are building a large survey telescope with a wide field and high resolution in the northwestern Qinghai Province. The telescope will be able to survey the entire sky from the Northern Hemisphere.
Construction of the Wide Field Survey Telescope, an optical instrument measuring 2.5 meters in diameter, has started in Lenghu Town, which has an average altitude of about 4,200 meters.
The town is known as China’s “Mars Camp” due to its eerily eroded desert landscape that resembles the surface of the red planet.
With an investment of 200 million yuan (US$31 million), the telescope project was launched in 2017 by several research institutions, including the University of Science and Technology of China and the Purple Mountain Observatory of the Chinese Academy of Sciences. Once completed, it will be able to survey the whole northern sky once every three nights.
“The WFST will become the most powerful sky survey telescope in the Northern Hemisphere,” said Kong Xu, the project’s chief designer and a professor at the University of Science and Technology of China, at the project launch ceremony on Tuesday.
With the telescope, scientists are expected to make breakthroughs in several fields, including time-domain astronomy, celestial body searches in the outer solar system, and Milky Way structure studies, said Kong.
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