By Josh Glover


2015-01-29 08:53:06 8 Comments

Given that space is not a perfect vacuum, what is the speed of sound therein? Google was not very helpful in this regard, as the only answer I found was $300\,{\rm km}\,{\rm s}^{-1}$, from Astronomy Cafe, which is not a source I'd be willing to cite.

Related Questions

Sponsored Content

Sponsored Content