China on 17 December 2015 launched the Dark Matter Particle Explorer (DAMPE) Satellite to shed light on mysterious dark matter.
It was the country's first space telescope and launched on a Long March 2-D rocket from the Jiuquan Satellite Launch Center.
The purpose of the satellite is to search for smoking-gun signals of dark matter, invisible material that scientists say makes up most of the universe's mass.
The satellite will be place in a sun-synchronous orbit at a height of 500 kilometers to observe the direction, energy and electric charge of high-energy particles in space.
The satellite was nicknamed "Wukong" after the Monkey King with penetrating eyes in the Chinese classical fiction Journey to the West.
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Who: DAMPE Satellite
What: Launched by China
When: 17 December 2015
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