How do airplanes stay up in the sky? 4 forces of flight every aviation enthusiast should know

Aerodynamics explains how airplanes fly through the interplay of four fundamental forces: lift, weight, thrust, and drag. Lift opposes gravity, thrust propels forward, and drag resists motion. Pilots ...
SETI Institute

The Hidden Ocean of Ariel: Tidal Forces and the Case for a Watery Past

What: New research suggests Uranus’s moon Ariel once hosted, or may still contain, a deep subsurface ocean beneath its icy crust. Guests: Planetary scientist Dr. Ca ...