Community post
sciencefact #9457222
http://i.imgsafe.org/d9db946f43.jpg
4th Street Bar
Hive-Bar
Browse freely. Sign in only when you want to participate.
Hive-Bar Powered by Hive beta-fdb5b5b
Community post
http://i.imgsafe.org/d9db946f43.jpg
Replies (3)
What speed is the sound barrier on Neptune? I assume its diffeeent because the atmosphere has a different composition.
even on the earth when wind, it is badly heard each other
I upvote U