新闻社会与故事文学
4 posts
Scientists plan to hit a space asteroid in September. Will it hit Earth?
2022-09-16
A comet weighing 500 trillion tons will pass close to Earth in 2031. What should humans do?
2022-09-16
Musk plans to develop a spacecraft that travels at 50,000 kilometers per hour and will one day settle on Mars in search of aliens
2022-09-16
3 years from now, how to face the giant solar storm!
2022-09-16