David,

The Vacuum-of-Space is a Myth {Misnomer}
since "We" 'exist' in the Vacuum-of-Space . . .
-and- That Is Something To Think About !

We = The Earth + Solar System + The Gallaxy + The Universe

http://en.wikipedia.org/wiki/Earth
http://en.wikipedia.org/wiki/Blue_marble
http://en.wikipedia.org/wiki/Solar_system
http://solarsystem.nasa.gov/index.cfm
http://www.solarviews.com/eng/homepage.htm
http://www.nationalgeographic.com/solarsystem/
http://www.seds.org/messier/galaxy.html
http://www.seds.org/messier/more/mw.html
http://en.wikipedia.org/wiki/Galaxy
http://en.wikipedia.org/wiki/Milky_Way
http://en.wikipedia.org/wiki/Universe
http://www.historyoftheuniverse.com/

Space is NOT a Vacuum -IT- Is simply partially full and equally
partially empty at the same time - relatively relativity speaking.
http://en.wikipedia.org/wiki/General_relativity
http://www.astro.ucla.edu/~wright/relatvty.htm
http://archive.ncsa.uiuc.edu/Cyberia...elativity.html


Just like the Space-in-My-Head - I ~ RHF