| I would suggest English as your first language with a sprinkling of engineering and science. lol
If you are truly interested, I suggest you use the internet to obtain the address of NASA and get your information directly from the horses mouth so to speak.
__________________ Fair winds and following seas > > > > > > > > > > > > > > > > > > > > > > > > > > >  < < < < < < < < < < < < < < < < < < < < < < < < < and long may your big jib draw. -W.R.B. (Chief Bones) FCC(SW) USN(RET)- |