tianwen-2 sample return
Discover Space : Space Science And Technology With Tianwen-2
Answer: Tianwen-2 is China’s upcoming Mars sample-return mission that will launch a 140-kg free-floating spacecraft to autonomously collect Martian rocks, avoid a traditional entry-descent-landing phase, and return the samples to Earth on a pre-planned trajectory. In 2024, China’s Tianwen-3 mission entered the spacecraft construction phase, highlighting the nation’