http://spaceflightnow.com/

http://www.nasa.gov/

http://earth.jsc.nasa.gov/sseop/efs/

http://fourmilab.ch/earthview/vplanet.html

http://www.seds.org/hst/hst.html

http://en.wikipedia.org/wiki/Jet_aircraft

http://www.sciencekidsathome.com/science_topics/flight.html

http://42explore.com/flight.htm

http://idahoptv.org/dialogue4kids/season9/flight/facts.cfm

http://www.rc-airplane-world.com/free-flying-games.html