China says it is working to develop a solar energy plant in space that could one day beam enough power back to Earth to light up an entire city.
원문출처 : https://www.cnn.com/2019/03/03/asia/china-plans-solar-power-in-space-intl/index.html
원문출처 : https://www.cnn.com/2019/03/03/asia/china-plans-solar-power-in-space-intl/index.html