Elijah's Astronomy Crossword

Listed below are 15 clues which make reference to astronomy and/or the atmosphere.

1 2

3

4

5

6

7

8 9

10

11

12 13

14

15

Across

3. second layer of Earth's atmosphere

5. large pieces of space rock with irregular rock

8. beyond this is space

10. streak of light caused by a meteoroid

11. abundant gas in Earth's atmosphere

13. hottest of Earth's atmosphere

14. bodies made up of ice, dust, and small, gritty particles

15. scientists who study the universe

Down

1. the layer between the mesosphere and thermosphere

2. theory found by Ptolemy

4. complete set of the moon's phases

6. apparent shape of the moon as seen from Earth

7. a meteoroid that lands on Earth

9. the atmospheric layer we live in

12. natural object that revolves around a planet

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