per Spect views
What I see in different shades of gray, from behind my reading glasses
Pages
Blog
Linkblog
Me, myself & I
Monday, September 16, 2013
How does a satellite stay in orbit [Video]
A very nicely explained video about
how satellites stay in orbit
. Very handy for those questions the 7-year old has started throwing at me. :)
Newer Post
Older Post
Home