The solar system refers to the collection of celestial bodies that orbit around the Sun. It includes the Sun, eight planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune), their moons, asteroids, comets, and other smaller objects. The solar system is located in the Milky Way galaxy and is approximately 4.6 billion years old. It plays a crucial role in providing the necessary conditions for life on Earth and continues to be a subject of scientific exploration and study.