1			2
	3	4
						5									6
														7
	8										9
													10
11
					12
13
															14
15
										16
	17
							18

Across 1. the blocking of sunlight to Earth that occurs when the moon is between the sun and Earth (2 Words) 3. the amoung of gravity on a planet depends on this 5. the spinning motion of a planet about its axis 7. the path of an object as it revolves around another object in space 8. the study of the moon, stars and other objects in space 11. the longest day of the year in the Northern Hemisphere (2 Words) 13. the blocking of sunlight to the moon that occurs when Earth is direcly between the sun and moon (2 Words) 15. the movement of an object around another object 16. the partial or total blocking of one object by another 17. the darkest part of a shadow during an eclipse 18. the two days in the year where it is equal day and night

Down 2. the day of the year that marks the beginning of fall in the Northern Hemisphere (2 Words) 4. the imaginary line that passes through Earth's center and the North and South poles 6. the force that pulls the moon and earth toward each other 9. a measurement of distance from the equator, expressed in degrees north or south 10. the day of the year that marks the beginning of spring in the Northern Hemisphere (2 Words) 12. the part of the shadow surrounding the darkest part during an eclipse 14. the different shapes of the moon as seen from Earth