Space Unit Test Vocabulary

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Across
  1. 1. the characteristic of a star that determines its life-cycle
  2. 3. the reason why we only see one side of the Moon
  3. 7. largest planet in the solar system
  4. 9. season that the Northern Hemisphere is experiencing when it is titled towards the Sun
  5. 12. causes tides on Earth
  6. 13. can create impact craters on planets and moons
  7. 15. chunks of rock and ice that never clumped together in the same way as the inner planets
  8. 16. made of rocks, dust, and ice - orbit the Sun in long elliptical orbits
  9. 17. hottest planet in the solar system
  10. 18. term used to indicate the four planets closest to the sun
  11. 19. only dwarf planet located in the inner solar system
  12. 23. used to measure distances beyond our solar system
  13. 24. the Moon's shadow falls on the Earth during a ____________ eclipse
Down
  1. 2. when the Northern Hemisphere is either titled as close to or as far from the Sun as it will be all year
  2. 4. term used to indicate the four planets farthest from the Sun
  3. 5. where all dwarf planets except one are located
  4. 6. both hemispheres experience equal amounts of day and night on these special days
  5. 8. coldest planet in the solar system
  6. 10. a meteoroid that has entered Earth's atmosphere
  7. 11. season that the Northern Hemisphere is experiencing when it is titled away from the Sun
  8. 12. smallest planet in the solar system
  9. 14. unit used to measure distances within our solar system
  10. 20. when the wavelengths of color are stretched, evidence that the universe is expanding
  11. 21. the process through which stars generate their energy
  12. 22. the Earth's shadow falls on the Moon during a ____________ eclipse