solar system

• solar system consists of the sun, planets and their moons, dwarf planets, comets and asteroids that orbit it.
• planets that orbit another star are called exoplanets
• planet is an object that orbits a star
• planets are big enough for orbit to be spherical
• planets need to clear their orbit of smaller objects
• Eight planets i the solar system:

  Mercury, venus, earth, mars, jupiter, saturn, uranys, neptune
• ryme to remember planet order is my very excellent mum just served us noodles.
• The four inner planets are called Rockey planets: Mercury, venus, earth, mars
• the four outer planets are called gass giants: jupiter, saturn, uranus, neptune
• a dwarf planet is an object that orbits a start
• dwarf planets are big enough to be spherical