Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
I've read that if the Earth was 50% larger, escape velocity would be so great that we could not build a powerful enough rocket to escape. Is this true and how do I do the maths to prove it?