Category: discovery

The United States will not fall! The Perseverance rover enters the countdown to launch, it will go to Mars to find life

Speaking of, the United States is the first country in the world to launch a Mars probe, and it is also the most experienced country. As early as 1964, the US Mars probe was successfully launched. In the past few decades, almost every time When the Mars exploration window comes, the United States will launch Mars probes. So, what makes NASA, the most experienced NASA, successively change the launch time?