The Solar System

Our solar system consists of eight planets and one dwarf planet; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. They are all centred around the sun, a star which provides a gravitational force on the planets keeping them in orbit. The solar system also contains numerous comets, asteroids and meteoroids. the solar system was formed 4.6 billion years ago from a giant interstellar molecular cloud

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Where are all the active spacecraft in our Solar System?

Since Sputnik 1 was launched in 1957, humans have sent thousands of spacecraft into the cosmos. There are currently around 50 active craft in our Solar System (not including miniaturised, amateur or commercial craft). Here’s where they are and what research they are doing.