Flight is the process by which an animal or object which is heavier than air achieves sustained movement either through the air by aerodynamically generating lift or aerostatically using buoyancy, or movement beyond earth's atmosphere, in the case of spacecraft.
Pterosaurs were a group of flying vertebrates contemporaneous with the dinosaurs.
More on [ Flight ]

Air Travelers - An introduction to the basic principles of buoyancy, properties of gases, temperature, and the technology involved in hot air ballooning. Includes movies and pictures, related links, activities and lesson plans.
Click2History - History of Flight - Learn about 100 years of flight, from the Wright Brothers to rockets to the space shuttle, by viewing pictures and drawings. Online e-book format.
How to Go and Fly a Kite - History, stories, plans, tips, and the physics of kite flying.
Meta Description: [ Kite history, stories, plans, tips, the physics of kite flying and much more! A site for everyone. ]
Kites and Kite Flying - Includes history, modern kites, pictures, tips for beginning flyers, and the science of kite flying.
Paper Airplanes - Patterns for folding, aerodynamics, records, history, links, and contests.
Meta Description: [ paper airplane resource center ]
Polar First - Follow the pilots of this world record breaking adventure as they fly 30,000 miles around the world, via the South and North Pole, witness volcanic eruptions, experience the coldest temperatures on earthand help preserve the planet with WWF scientists.
Science Fun with Airplanes - Learn about the principles of flight and how pilots control airplanes with this Ohio State University program. Includes a feature allowing the user to build his or her own glider.
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