Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

NASA și alte agenții spațiale internaționale lucrează intens la un plan de distrugere a asteroidului 2024 YR4.

据了解，直径大于 10 公里的小行星撞击地球的概率大约是一亿年一次，目前许多学者都认为，上次这么大号的小行星撞击地球，可能直接导致统治地球上亿年的霸主恐龙灭绝了。 而目前预估 2024 YR4 的大小，应该是直径 40-90 米左右， ...