first cosmic velocity
The 'first cosmic velocity' is crucial for understanding the dynamics of objects in orbit around celestial bodies, particularly Earth.
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Definition
C1Orbital Mechanics
(technical, scientific)The minimum speed an object needs to stay in a stable circular orbit around a celestial body without additional propulsion.
Example
- A satellite must reach the first cosmic velocity to maintain a stable orbit around Earth.
- Achieving the first cosmic velocity is a key milestone for any space mission aiming to place objects in orbit.
Similar
Terms that have similar or relatively close meanings to "first cosmic velocity":
second cosmic velocitythird cosmic velocityescape velocityradial velocityinformation velocity