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Lucy Spacecraft Will Slingshot Around Earth//dxbduba1
The Lucy spacecraft is a NASA mission designed to study and explore multiple asteroids in the Trojan asteroids group, which are located near Jupiter's orbit. To reach its destinations, Lucy performed a gravity assist maneuver by slingshotting around Earth. This is a common technique used in space exploration to increase a spacecraft's speed and change its trajectory efficiently without using a significant amount of onboard fuel.
Here's how a gravity assist or slingshot maneuver works:
Approach: The spacecraft approaches a planet, in this case, Earth, at a carefully calculated angle and speed.
Gravity Assist: As the spacecraft gets closer to the planet, it passes near the planet's gravitational field. The planet's gravity exerts a gravitational pull on the spacecraft.
Energy Exchange: During the flyby, the spacecraft transfers some of its kinetic energy to the planet while gaining an equal and opposite change in velocity. This boost in speed allows the spacecraft to change its trajectory and reach its intended destination or target with greater efficiency.
Exit Trajectory: After the gravity assist, the spacecraft continues on its new trajectory, now at a higher speed or with a different trajectory that aligns with its mission objectives.
For Lucy, the Earth gravity assist maneuver provided the spacecraft with the energy needed to reach and explore the Trojan asteroids. These gravity assist maneuvers are carefully planned and executed to optimize the mission's trajectory and conserve onboard propellant for other mission phases.
The Lucy mission, launched in October 2021, will study both the leading and trailing clusters of Trojan asteroids and help scientists gain insights into the early solar system's formation and evolution.
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