2 - Crossword Labs

1. - Optical instrument used for viewing small objects.
4. - Extraterrestrial object that survives its passage through the Earth's atmosphere and lands on the surface.
9. - Small rocky body orbiting the sun.
13. - Scientific study of celestial objects and phenomena.
16. - Optical instrument for viewing distant objects in space.
17. - Dense woodland with high annual rainfall.
18. - Relating to the moon.
19. - Vast body of saltwater covering much of the Earth's surface.
20. - Celestial event where one object in space casts a shadow on another.

2. - Path followed by an object around a celestial body due to gravitational attraction.
3. - Group of stars forming a recognizable pattern.
5. - Variant of a chemical element with the same number of protons but a different number of neutrons.
6. - Theatrical dance form characterized by precise movements.
7. - Musical instrument with keys and strings.
8. - Large ocean wave caused by underwater earthquakes or volcanic eruptions.
10. - Large marine mammal.
11. - Large system of stars, gas, and dust bound together by gravity.
12. - Smallest unit of a chemical compound.
14. - Chemical element with the symbol H and atomic number 1.
15. - Community of living organisms interacting with each other and their environment.