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What makes an airplane fly? How does a spacecraft stay in orbit? Why does a balloon float in the air?

What are you waiting for? Come and find out!

Forces of Flight on this Page

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Features & Highlights

Bernoulli Principle

Air in Motion

Three Types of Engines

Engines

Heat Resistance

Hypersonic Vehicles

Orbital Paths

Kepler’s Laws of Orbital Motion

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What is an Explainer?

A:

An Explainer is a trained high school or college student who will answer your questions about how things fly. Explainers also host the webisode videos you’ll find thoughout this website. ... more

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Distance Challenge

4,092,365 miles flown

How far can your plane fly in 30 days? Start a flight and see!

Take Flight!