👉 Circumplanetary is a concept in astronomy that refers to the region or area around an orbiting planet's closest approach to its star, known as the perihelion. This region encompasses not only the planet itself but also its moons and other objects that are orbiting it. In the context of Earth's orbit around the Sun, the term "circumplanetary" refers to the area that is directly visible from Earth's perspective, including the Moon, Mars, Jupiter,
