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Definition

Electric Propulsion

EP

Propulsion technologies that accelerate propellant using electric or electromagnetic fields. Includes ion thrusters, Hall effect thrusters, and pulsed plasma thrusters. Very high Isp but low thrust.

Related terms

Eclipse

The period during an orbit when the spacecraft is in the shadow of the central body and cannot generate solar power. Ecl...

End of LifeEOL

The planned end of a spacecraft's operational mission. EOL power and thermal analysis accounts for degradation of solar ...

Eccentricity

A dimensionless orbital element describing how much an orbit deviates from a perfect circle. Values range from 0 (circul...

Escape Velocity

The minimum speed needed for an object to break free of a gravitational body's influence without further propulsion. Fro...

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