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].How far can sound travel through space, since it’s so empty? Is there an echo in space?
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