Last Updated: 3rd May, 2021 12:12 IST Elon Musk Says We Need Advanced Rockets As NASA Admits Our Missiles Can't Stop Asteroids Elon Musk says we need more advanced rockets when NASA says they can't stop asteroids from hitting the earth. Read on to know more details. AP Elon Musk has stated and confirmed, in a tweet, the reason why the earth needs bigger rockets. Recently, NASA simulated an asteroid but scientists could not find a solution to avoid impact in the allotted time period. Here is more information about it, read on. NASA determines they can't stop an asteroid from hitting earth with present resources