- a place where an army, a navy, etc. operates from
- a large hole in the side of a hill or under the ground
- to come down through the air onto the ground or another surface
- 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
- to move in a curved path around a much larger object, especially a planet, star, etc
- 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
| - to ask questions in order to find out secret or hidden information about somebody/something
- a large hole in the ground caused by the explosion of a bomb or by something large hitting it
- to start an activity, especially an organized one to l...................h an attack/invasion
- an area of low land between hills or mountains, often with a river flowing through it; the land that a river flows through
- a long journey, especially by sea or in space; an around-the-world v.................e
- to examine something completely or carefully in order to find out more about it.
| - to make something look bigger than it really is, for example by using a lens or microscope; enlarge; exaggerate
- a flight into space; a task or journey that is very difficult and takes a long time to complete
- to obey rules, laws, etc;
- a person who is the first to do or discover something
- a thing that is used for transporting people or goods from one place to another, such as a car or lorry/truck
- the whole of space and everything in it, including the earth, the planets and the stars
| - a person whose job involves travelling and working in a spacecraft
- 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
- the continent around the South Pole
- spaceship
- the act of travelling through a place in order to find out about it or look for something in it
- watched closely by somebody; The suspect is being kept u- - - - o- - - - - - - - - n
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