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GCSE Physics   Topic – Space Physics    © Copyright The PiXL Club Ltd, 2017 This resource is strictly for the use of member schools for as long as they remain members of The PiXL Club. It may not be copied, sold nor transferred to a third party or used by the school after membership ceases. Until such time it may be freely used within the member school. All opinions and contributions are those of the authors. The contents of this resource are not connected with nor endorsed by any other company, organisation or institution. www.pixl.org.uk The PiXL Club Ltd, Company number 07321607

GetIT – Space Physics Our solar system contains: The Sun (star); eight planets and their natural satellites, dwarf planets, asteroids and comets. Our solar system is part of the Milky Way galaxy. The order of planets from the Sun is: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. Comets are made of ice and dust and have an elliptical orbit. Asteroids are made of rock and metal and orbit the Sun in belts.

Match IT Red shift Big Bang theory Steady State theory CMB radiation   Matter is continuously created as the universe expands so the density stays the same. Big Bang theory Cloud of gas and dust. Stars are made in these. Steady State theory Ball of ice and dust. Orbit is elliptical. CMB radiation A tiny point enlarged rapidly in a hot explosion and is still expanding today. Nebula A star where all the hydrogen has been used up. Red Giant Made of rock and metal, found in belts. Elliptical Increase in wavelength of light from distant galaxies Asteroid Cosmic microwave background radiation received from all parts of the galaxy. Comet Oval shaped

Match IT - Answers Red shift Big Bang theory Steady State theory   Increase in wavelength of light from distant galaxies Big Bang theory A tiny point enlarged rapidly in a hot explosion and is still expanding today. Steady State theory Matter is continuously created as the universe expands so the density stays the same. CMB radiation Cosmic microwave background radiation received from all parts of the galaxy. Nebula Cloud of gas and dust. Stars are made in these. Red Giant A star where all the hydrogen has been used up. Elliptical Oval shaped Asteroid Made of rock and metal, found in belts. Comet Ball of ice and dust. Orbit is elliptical.

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Label IT - Answers Nebula Protostar Red giant White dwarf Black dwarf Main sequence star Red super giant Supernova Black hole Neutron star

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Match IT and Label IT - Answers Elliptical orbit Comet Star Planet Natural satellite

Match IT and Label IT - Answers Elliptical   Oval shaped Comet Ball of ice and dust. Orbit is elliptical. Natural Satellite Moon. Orbits a planet. Planet Orbits a star. Larger than an asteroid or comet. Star Its gravity keeps the planets, comets and asteroids in orbit