HELSINKI — The spacecraft for China’s Tianwen-2 combined near-Earth asteroid sample return and comet rendezvous mission has arrived at Xichang spaceport for launch preparations. The Tianwen-2 spacecraft arrived at Xichang […]
HELSINKI — The spacecraft for China’s Tianwen-2 combined near-Earth asteroid sample return and comet rendezvous mission has arrived at Xichang spaceport for launch preparations. The Tianwen-2 spacecraft arrived at Xichang […]