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| 2. | | to obey rules, laws, etc; |
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| 3. | | the continent around the South Pole |
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| 4. | | a place where an army, a navy, etc. operates from |
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| 5. | | a person who is the first to do or discover something |
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| 6. | | a large hole in the side of a hill or under the ground |
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| 7. | | to come down through the air onto the ground or another surface |
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| 8. | | a person whose job involves travelling and working in a spacecraft |
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| 9. | | to examine something completely or carefully in order to find out more about it. |
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| 10. | | to move in a curved path around a much larger object, especially a planet, star, etc |
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| 11. | | watched closely by somebody; The suspect is being kept u- - - - o- - - - - - - - - n |
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| 12. | | a long journey, especially by sea or in space; an around-the-world v.................e |
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| 13. | | the whole of space and everything in it, including the earth, the planets and the stars |
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| 14. | | to ask questions in order to find out secret or hidden information about somebody/something |
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| 15. | | a large hole in the ground caused by the explosion of a bomb or by something large hitting it |
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| 16. | | to start an activity, especially an organized one to l...................h an attack/invasion |
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| 17. | | a flight into space; a task or journey that is very difficult and takes a long time to complete |
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| 18. | | the act of travelling through a place in order to find out about it or look for something in it |
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| 19. | | a thing that is used for transporting people or goods from one place to another, such as a car or lorry/truck |
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| 20. | | to make something look bigger than it really is, for example by using a lens or microscope; enlarge; exaggerate |
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| 21. | | an area of low land between hills or mountains, often with a river flowing through it; the land that a river flows through |
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| 22. | | a stage in a process of change or development; each of the shapes of the moon as we see it from the earth at different times of the month |
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| 23. | | either of the two points at the opposite ends of the line on which the earth or any other planet turns; the north/south - - - -of the earth |
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| 24. | | an electronic device that is sent into space and moves around the earth or another planet. It is used for communicating by radio, television, etc. and for providing information |
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