04 April 2018
Progress on the Tianqin project, a Chinese research project to detect gravitational waves, was revealed to the public on 2 April. The Guangzhou-based Sun Yat-sen University started the Tianqin project in July 2015 and is being led by Luo Jun, a university physicist, who told China Central Television (CCTV) that the project was named after a metaphor.
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China plans to launch 3 satellites around 2030 for gravitational wave research
02 April 2018
Tianqin, China's gravitational wave research project, plans to launch three satellites around 2030 to measure the change of time and space, said Luo Jun, initiator of the project and an academician of the Chinese Academy of Sciences (CAS). Luo Jun said he and his team will carry out a four-stage plan over the next 15 to 20 years to detect the waves with three high-orbit satellites. "This is our Earth. Above the Earth, at the height of 100,000 kilometers, for example, we'll place three satellites and then connect them with laser beams. When there's a wave of time and space and when it spreads to the Earth, it will shrink on the one side and stretch on the other. By the interference of laser, we can measure the distance between the two satellites. It looks like a triangle, like a harp, and the hands that are playing it are the gravitational waves. That's why we call it 'Tianqin' (Heaven's Harp)," Luo said.
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