Astronomy Crossword

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Across
  1. 1. hole – a region of space where gravity is so strong that not even light escapes.
  2. 4. – a planet that orbits a star outside our solar system.
  3. 8. planet – a small planetary body that orbits the sun but hasn’t cleared its orbit.
  4. 10. year – the distance light travels in one year.
  5. 11. – the path one object takes around another due to gravity.
  6. 12. – when one celestial body blocks the light from another.
  7. 14. – a small rocky body orbiting the sun, mostly found in a belt.
  8. 17. – a space rock that survives passing through earth’s atmosphere and lands.
  9. 19. – a massive explosion marking the death of a large star.
  10. 20. – the force that attracts objects with mass toward each other.
Down
  1. 2. – a recognised pattern of stars in the night sky.
  2. 3. – the range of wavelengths of electromagnetic radiation.
  3. 5. – coloured light displays in the sky caused by solar wind interacting with earth’s atmosphere.
  4. 6. force – the stretching effect caused by differences in gravitational pull across an object.
  5. 7. – a device used to observe distant objects in space.
  6. 9. – a layer of gases surrounding a planet.
  7. 13. system – the sun and all objects that orbit it.
  8. 15. giant – a late stage in the life of a medium-sized star.
  9. 16. – a cloud of gas and dust where stars can form.
  10. 18. – a huge collection of stars, gas, and dust bound by gravity.