space crossword

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Across
  1. 2. - mars is the nearest planet to earth after venus, and it is the only planet to have either.
  2. 4. the galaxies is a giant group of millions or even trillions of stars. Our own local galaxy is the Milky Way
  3. 7. must be extremely fit and also have very good eyesight
  4. 8. is a medium size star measuring 1,392,000 km across 100 times the diameter of the earth
  5. 10. earth is the third planet out from the sun,149.6 million km away on average.
  6. 12. venus shines like a star in the sky because its thick atmosphere reflects sunlight amazingly well.
  7. 13. are globe shaped space object that orbits a star such as the sun
  8. 14. the magnetic field around a planet or a star is called the magnetosphere
  9. 18. a comets is a bright object with long tail which we sometimes see streaking across to the night sky
Down
  1. 1. Orbit mean's travel round and a moon planet or other space object may be held within a larger space object gravitational
  2. 3. the seventh planet out from the sun it's orbit keeps it 1,784million km away on average and takes 84 year to complete.
  3. 5. the second biggest planets in the solar system 815 times as big in volume as the earth and measuring 120,000 km around its equator
  4. 6. is over artificial satellite was sputnik launched on 4 october 1957.
  5. 9. moon are are the natural satellites of planet most are small rock globes that continually orbit the parent planet, held in place by the place by the planet gravity
  6. 11. is the biggest planet in the solar system twice as heavy as all the other planets put together
  7. 14. is the nearest planet to the sun during its orbit it is different 45.9 and 69.7 million km away
  8. 15. makes starburn by squeezing their matter together
  9. 16. is a ball of mainly hydrogen and helium gas
  10. 17. is the fastest thing in the universe travelling at 299,792,458 metres per second
  11. 19. way- is the faint hazy band of light that you can see stretching right across the night sky