Across
- 3. the planet we live on
- 5. an organisation that is responsible for science and technology of space
- 7. a person that studies stars and space
- 9. a dwarf planet
Down
- 1. it is a planet known as the ___ giant
- 2. 365 days
- 4. an instrument scientists use to study stars and space
- 6. a hot star that the planets orbit around
- 8. Earths only natural satellite