A Long March-4B carrier rocket carrying a satellite, the third of the Shiyan-6 series, blasts off from the Taiyuan Satellite Launch Center in north China's Shanxi Province, April 9, 2021. China successfully sent the experiment satellite into planned orbit. (Photo/China News Service)
A Long March-4B carrier rocket carrying a satellite, the third of the Shiyan-6 series, blasts off from the Taiyuan Satellite Launch Center in north China's Shanxi Province, April 9, 2021. China successfully sent the experiment satellite into planned orbit. (Photo/China News Service)
A Long March-4B carrier rocket carrying a satellite, the third of the Shiyan-6 series, blasts off from the Taiyuan Satellite Launch Center in north China's Shanxi Province, April 9, 2021. China successfully sent the experiment satellite into planned orbit. (Photo/China News Service)
A Long March-4B carrier rocket carrying a satellite, the third of the Shiyan-6 series, blasts off from the Taiyuan Satellite Launch Center in north China's Shanxi Province, April 9, 2021. China successfully sent the experiment satellite into planned orbit. (Photo/China News Service)