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Planet A large collection of many billions of stars. The one we are in is called “The Milky Way”, and is shaped like a large spiral. Solar System Large chunks of rock orbiting the Sun, but much too small to be classified as planets. Most of these are found between Mars and Jupiter. Star Nebula These are naturally occurring bodies which can be found orbiting planets. Most of the planets have them, including the Earth. A very large ball of gas – mainly hydrogen. These are powered by nuclear fusion and emit vast amounts of heat and light. Asteroids This force pulls all objects together. It holds the planets in orbit around the sun. Comet This is the process which powers the Sun. Hydrogen atoms are ‘fused’ together to make Helium. Lots of energy is released in the process as heat and light Galaxy These orbit the Sun in roughly circular paths. The ones closest to the sun are made of rock and metal. Satellite The Sun and all the objects orbiting around it - like including planets, moons, asteroids etc. Moon Terrestrial planets Gravity Nuclear Fusion The Sun A large cloud of dust and gas. Our solar system originally formed from one of these clouds. Our nearest star. It is at the centre of our solar system, and life could not exist without it! These (usually) orbit planets. They can be are used for many purposes, including communications, navigation, and much more! These are the planets closest to the Sun. They are made of rock and metal, like the Earth. These are large balls of dust and ice. They follow very elliptical (oval) orbits around the Sun. When they get close to the Sun they start to melt and develop a long ‘tail’. Planet A large collection of many billions of stars. The one we are in is called “The Milky Way”, and is shaped like a large spiral. Solar System Large chunks of rock orbiting the Sun, but much too small to be classified as planets. Most of these are found between Mars and Jupiter. Star Nebula These are naturally occurring bodies which can be found orbiting planets. Most of the planets have them, including the Earth. A very large ball of gas – mainly hydrogen. These are powered by nuclear fusion and emit vast amounts of heat and light. Asteroids This force pulls all objects together. It holds the planets in orbit around the sun. Comet This is the process which powers the Sun. Hydrogen atoms are ‘fused’ together to make Helium. Lots of energy is released in the process as heat and light. Galaxy These orbit the Sun in roughly circular paths. The ones closest to the sun are made of rock and metal. Satellite The Sun and all the objects orbiting around it - like including planets, moons, asteroids etc. Moon Terrestrial planets Gravity Nuclear Fusion The Sun A large cloud of dust and gas. Our solar system originally formed from one of these clouds. Our nearest star. It is at the centre of our solar system, and life could not exist without it! These (usually) orbit planets. They can be are used for many purposes, including communications, navigation, and much more! These are the planets closest to the Sun. They are made of rock and metal, like the Earth. These are large balls of dust and ice. They follow very elliptical (oval) orbits around the Sun. When they get close to the Sun they start to melt and develop a long ‘tail’.