Skip to main content
Smithsonian National Air and Space Museum
Header Menu
Activities & Multimedia
Ask An Explainer
About the Exhibit
Search
Section Menu
Forces of Flight
The Four Forces
We Aren't Built to Fly
Gravity & Air
Gravity
Air
Buoyancy
Aerodynamics
Air in Motion
Subsonic Wings
Factors Affecting Lift
Alternative Theories of Lift
Pressure Drag
Friction Drag
Vortex Drag
Waves in the Air
Shock Waves
Propulsion
Propellers
Engines
Rocket Propulsion
Vertical Flight
Structures & Materials
Weight and Strength
Materials
Hypersonic Vehicles
Shaped for Space
Flight Dynamics
Control Surfaces
Roll, Pitch, and Yaw
Instruments
Gravity in Orbit
Newton’s Laws of Motion
Kepler’s Laws of Orbital Motion
Moving in Space
Thrusters and Spinning Wheels
Activities
Share
Twitter
Facebook
Ask an Explainer - Gravity & Air
Search Ask an Explainer QA
Displaying records 151 to 160 of 304
Pagination
Page
12
Page
13
Page
14
Page
15
Current page
16
Page
17
Page
18
Page
19
Page
20
…
First page
Previous page
‹
Next page
›
Last page
Q:
When do planets move faster and when do planets move slower?
Categories:
Gravity & Air
Q:
Is there any particular point that the atmosphere ends?
Categories:
Gravity & Air
Q:
Why do the stars always rise in the east and set in the west?
Categories:
Gravity & Air
Q:
What is air cushioning?
Categories:
Gravity & Air
Q:
What is thermodynamics?
Categories:
Gravity & Air
Q:
Is the gravitational force acting on a person who weighs 80kg the same as on a person who weighs 40kg?
Categories:
Gravity & Air
Q:
What happens to gravitational pull the farther you move away from it?
Categories:
Gravity & Air
Q:
Will satellites/moons travelling on the same orbit as the Moon, have the same speed as the moon, even if the mass or size of the satellite/moon is different than the Moon's?
Categories:
Gravity & Air
Q:
What is the mass of air?
Categories:
Gravity & Air
Q:
What is the speed of sound in a vacuum ? Is it faster or slower than its speed in air?
Categories:
Gravity & Air
Pagination
Page
12
Page
13
Page
14
Page
15
Current page
16
Page
17
Page
18
Page
19
Page
20
…
First page
Previous page
‹
Next page
›
Last page