Across
- 2. a medical specialty used to treat a physical problem inside or outside the body
- 4. System the fixed system of planets orbiting the Sun
- 5. when the sun or moon come in front of each other, causing a phenomenon
- 7. Treatment for a disease, infection, or injury
- 8. the study of space
Down
- 1. A number that represents nothing
- 2. a fixed luminous body in space
- 3. The injection of a virus to help build immunity towards a disease or infection
- 6. A celestial body, typically a sphere, that orbits around a star
- 7. People who try to create and solve complex math problems