Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it.[2].Why does a rocket have to go 25,000 mph (about 40,000 kilometers per hour) to escape Earth?
Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to