1						2
3										4
			5
				6
		7
						8
	9

Across 3. An imaginary line that runs through the middle of a planet or moon starts with letter s 5. People that explore space stars with the letter s 7. A hollow area that looks like the inside a bow starts with letter c 8. Lava created Maria millions of years ago starts with letter m 9. The central part of the EARTH starts with letter c

Down 1. They help scientist use them to study starts with a letter l 2. Layers of gases starts with letter a 4. The center of the moon starts with letter c 5. An imaginary line that runs through the middle of a planet or moon starts with letter a 6. the part of a planet or moon between the crust and the core stars with lrtter k