satellite

satellite

A satellite refers to a natural celestial body that orbits a planet in a closed orbit and performs periodic movements. Artificial satellites are also commonly referred to as satellites. Artificial satellites are devices built by humans and launched into space using spacecraft such as rockets and space shuttles, orbiting the Earth or other planets like natural satellites. Often, gas planets have many satellites. The eight major planets have a total of 218 satellites, with all planets except Mercury and Venus having satellites orbiting them. The ranking order by the number of satellites is Saturn 82, Jupiter 92, Uranus 27, Neptune 14, Mars 2, and Earth 1.
NASA Space Shuttle

NASA Space Shuttle

Spaceship: A spacecraft capable of conducting space activities independently and transporting personnel, materials, and equipment between the ground and a space station. A spacecraft flying along the Earth's core orbit is called a satellite spacecraft, which is a disposable spacecraft; Spaceships that fly to other celestial bodies are called interstellar ships or expedition ships. The spacecraft that transports personnel is called a manned spacecraft, and the spacecraft that transports materials and equipment is called a cargo spacecraft.
NASA Space Shuttle

NASA Space Shuttle

The United States Space Shuttle is the world's first reusable space vehicle to and from the ground and space. It consists of an orbiter, an external tank and a solid booster. Each orbiter can be reused 100 times, each time it can send up to 29.5 tons of payload into 185 to 1110 kilometers of low-earth orbit, and bring 14.5 tons of payload back to the ground. The space shuttle is 56.14 meters long and 23.34 meters high. The orbiter can carry three to seven people and fly in orbit for seven to 30 days.