https://www.space.com/23173-goce-europes-gravity-satellite-photos/2.html
The European Space Agency's GOCE satellite launched in 2009 to study the Earth's gravity. See images from the mission.
photoseuropegocegravitymapping
https://www.physicsclassroom.com/minds-on/circular-and-satellite-motion/mission-cg7-gravitational-field-strength/launch
Mission CG7 pertains to the conceptual and mathematical aspect of the acceleration of gravity and its connection of universal gravitation.
satellite motioncircularaccelerationgravitylaunch