Year 10 a tour of the universe

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Year 10 a tour of the universe

  1. 1. A to u r o f Th e U n iv e r s e
  2. 2. Planets A planet is a body which orbits (travels around) a star The planet Earth orbits the Sun (our nearest star)
  3. 3. Moons A moon is a body which orbits a planet Our moon travels around the Earth Most of the other planets have moons
  4. 4. Solar System The Solar System is the sun and all the bodies orbiting it It is the eight planets, their moons, the asteroids and their comets
  5. 5. Who is the furthest of them all?
  6. 6. The terrestrial planetsMercury Venus Earth Mars
  7. 7. The gas giantsJupiter SaturnUranus Neptune
  8. 8. PlutoPluto is nowclassified asa ‘dwarfplanet’It is muchsmaller thanthe other Its orbit is not in the same plane asplanets. the other planets – go back and have a look at the solar system image.
  9. 9. The Asteroid Belt Located between Mars and Jupiter Belt of lumps of rocks Largest rock, Ceres is 1000km in diameter
  10. 10. Stars Balls of hot gas Nuclear reactions occur in stars Produce lots of energy including light Our nearest star is the sun Second closest is Proxima Centauri
  11. 11. Nebulae Nebulae are large clouds of dust and gas within our own galaxy made visible by their interaction with nearby stars or star remnants.
  12. 12. Galaxy Huge group of stars held together by gravity Earth is part of the Milky Way galaxy
  13. 13. Universe Contains one hundred thousand million galaxies  Contains everything that exists

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