China’s Daocheng Solar Radio Telescope is among a suite of instruments the country has built in the past three years to study the Sun.
A huge ring of radio antennas in China will help researchers to study eruptions in the Sun’s outer atmosphere. Credit: Liu Zhongjun/China News Service/Getty
Construction of the Daocheng Solar Radio Telescope , which consists of more than 300 dish-shaped antennas forming a circle more than 3 kilometres in circumference, was completed on 13 November. Trial operations will begin in June. The 100 million yuan observatory will help researchers to study solar eruptions and how they affect conditions around Earth.
The Sun is set to enter a highly active phase over the next few years. The radio-frequency data DSRT collects will complement those gathered by telescopes working in other frequency bands. In the past two years, China has launched at least four Sun-gazing satellites —— that study the star at ultraviolet and X-ray frequencies.
In February, a relatively weak CME destroyed 40 Starlink communications satellites launched by SpaceX, an aerospace company in California. “With an increasing number of satellites in space, there’s an increasing need to better forecast space weather,” says Ding.
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