Across
- 3. The act of trying to make someone else do something by arguing, persuading
- 5. A person who travels into space from Russia
- 8. An observer who loves the star sky and planets
- 9. Something that you hope to achieve
- 12. A person who is one of the first people to do something
- 15. An important discovery or event that helps to improve a situation
- 17. An act that shows skill, strength, or bravery
- 18. To risk going somewhere or doing something that might be dangerous or unpleasant
Down
- 1. To increase, improve, or grow very quickly
- 2. Thing that makes you remember a particular person, event, or situation
- 4. A person who has been trained for travelling in space(mainly in the USA)
- 6. An important job, especially a military one, that someone is sent somewhere to do
- 7. The curved path through which objects in space move around a planet or star
- 10. A very sad event or situation, especially one involving death or suffering
- 11. Someone who studies the human mind and human emotions and behaviour
- 13. The act of conquering a country, area, or situation
- 14. To invite someone to compete or take part, especially in a game or argument
- 16. Very severe or bad