Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home. The solar system is our cosmic neighborhood, made up of ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational field keeps many other objects - planets, dwarf planets, asteroids and comets - in orbit around it. The Sun and ...

The moons around planets in the Solar System are natural satellites ... circular orbit it must be travelling at the right speed. The diagram shows a satellite orbiting the Earth.