answersLogoWhite

0


Best Answer

It wouldn't travel at all. Sound can't travel in a vacum. (Translation: Sound can't travel in outer space.)

User Avatar

Wiki User

14y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

15y ago

about 5 seconds

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How long does it take sound to travel 20 miles?
Write your answer...
Submit
Still have questions?
magnify glass
imp