1)- satellite:

an object that moves round a

bigger object in space.

2)- universe:

the whole of space and

everything in it, including

the planets and stars. الكون

3)- in other word:

used for saying

sth in a different

way.في

4)- carry out sth:

do and complete a task .

5)- Exist

if sth exists, it is present in

the real world.

6)- Gain sth:

get more and more of sth

useful, such as knowledge

or experience.

7)- Far-fetched :

not easy to believe

because it is very

improbable.

8)- Space :

the area beyond the earth round the plants

and stars.

9)- circle sth:

go round sth in a circle.

10)- Reach sth:

arrive at a place.