China's first solar probe to be lofted in 2022
China's first solar probe, Advanced Space-based Solar Observatory (ASO-S), is scheduled to be launched into space in the first half of 2022, marking the country's first-ever mission to "touch" the sun. The satellite will operate in a sun-synchronous orbit 720 km above Earth to keep a close tab on the sun 24 hours a day. Measuring about 1,000 kg in total mass, the satellite is expected to o