On June 25, Chang’e 6 efficiently returned to Earth with samples from the back of the moon, attracting international attention. The British “Guardian” reported that…
Boeing’s Starliner suffers another helium leak 1 8 tungsten
For both astronauts who had just boarded the Boeing “Starliner,” this journey was really irritating. According to NASA on June 10 local time, the CST-100…