During a journey from earth to the moon and back, the greatest energy required for the speceship rocket to overcome

During a journey from earth to the moon and back, the greatest energy

1.	During a journey from earth to the moon and back, the greatest energy required for the speceship rocket to overcome
Answer» The earth.s gravity at TAKE-off The MOON.s gravity at lunar landing The moon.s gravity at lunar take off The force at the point where the pull of the earth and moon are EQUAL and opposite Answer :A