Earth in Space

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Across
  1. 2. The curved path of a celestial body around a star or planet.
  2. 6. Earth's orbit around the Sun, taking about 365 days.
  3. 7. An event where one celestial body blocks the light of another.
  4. 8. A period of the year with specific weather patterns, caused by Earth's tilted axis.
  5. 11. The slant of Earth's axis, which is about 23.5 degrees.
  6. 12. The spinning of Earth on its axis, causing day and night.
  7. 13. The different appearances of the Moon as seen from Earth.
  8. 15. The rise and fall of ocean water, caused mainly by the Moon's gravity.
Down
  1. 1. A lunar phase where more than half of the Moon is lit up.
  2. 3. The two times a year when day and night are nearly equal in length.
  3. 4. A curved lunar phase that looks like a sliver.
  4. 5. The day with the longest or shortest period of daylight.
  5. 9. An imaginary line through the center of a planet, around which it rotates.
  6. 10. The force that keeps planets in orbit around the Sun.
  7. 14. A weak tide that occurs when the Sun and Moon are at a right angle to Earth.