The term "man-made moon" typically refers to an artificial satellite or spacecraft that has been intentionally placed into orbit around a celestial body, such as a planet or moon, by human beings. These objects are designed and launched by humans to perform various functions, such as scientific research, communication, weather monitoring, or navigation.
In our solar system, there are examples of man-made moons or artificial satellites. The most notable example is Earth's Moon, which is not man-made but a natural satellite. However, several artificial satellites have been sent to orbit various celestial bodies in our solar system:
Moon: The Moon has hosted a number of man-made satellites, primarily sent by humans from Earth. These include the Apollo missions and various robotic lunar orbiters, landers, and rovers.
Mars: Multiple spacecraft, including orbiters and rovers, have been sent to Mars. The Mars Reconnaissance Orbiter (MRO), Mars Odyssey, MAVEN, and the Mars rovers Spirit, Opportunity, Curiosity, and Perseverance are examples of man-made satellites that have explored or are currently exploring Mars.
Venus: Venus has been orbited by several man-made satellites, such as the Soviet Venera and Vega missions, as well as NASA's Magellan mission.
Jupiter: The gas giant Jupiter has also been visited by spacecraft. The Galileo spacecraft orbited Jupiter and conducted extensive observations, and the Juno mission is currently in orbit around Jupiter.
Saturn: The Cassini spacecraft, a joint mission by NASA, ESA, and the Italian Space Agency (ASI), orbited Saturn and its moons, providing valuable data and images of the planet and its surroundings.
These are just a few examples of man-made satellites that have been sent to various celestial bodies in our solar system. Each mission serves different scientific objectives and contributes to our understanding of the solar system.