This document defines key terms related to space exploration including satellite, universe, carry out, exist, gain, far-fetched, space, circle, and reach. It explains that a satellite is an object that orbits a larger body in space, the universe is all of space and everything within it, and to carry out means to complete a task. It also provides definitions for exist, gain, far-fetched, circle, and reach.

3. 1)- satellite:
an object that moves round a
bigger object in space.

4. 2)- universe:
the whole of space and
everything in it, including
the planets and stars. ‫الكون‬

5. 3)- in other word:
used for saying
sth in a different
way.‫في‬

6. 4)- carry out sth:
do and complete a task .

7. 5)- Exist
if sth exists, it is present in
the real world.

8. 6)- Gain sth:
get more and more of sth
useful, such as knowledge
or experience.

9. 7)- Far-fetched :
not easy to believe
because it is very
improbable.

10. 8)- Space :
the area beyond the earth round the plants
and stars.

11. 9)- circle sth:
go round sth in a circle.

12. 10)- Reach sth:
arrive at a place.