The US space agency has released a "pre-solicitation" for what is expected to be a hotly contested contract to develop a spacecraft to orbit Mars and relay communications from the red planet back to Earth.
"A lot of people are speculating we're going to get a tremendous amount of money - it doesn't work like that," Paul said.
，更多细节参见safew官方版本下载
Армия обороны Израиля начала масштабную серию ударов по Ирану02:17
Go to worldnews